diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 950254a53e8..235e9ba9b79 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
 
       - run: pip install bandit black codespell flake8 mypy pyupgrade safety pylint==2.10.2
       - run: pip install types-pytz types-requests types-termcolor types-tabulate types-PyYAML types-python-dateutil
-      - run: bandit -r . || true
+      - run: bandit -x ./tests -r . || true
       - run: black --check .
       - run: codespell --ignore-words-list=pres,hsi,hist,mape,ba,ser,coo --quiet-level=2 --skip=".git" --skip="*.yaml" --skip="*.ipynb" --skip="*.json" --skip="*.js" --skip="*.css" --skip="*.scss" --skip="*.html" --skip="*.ini" --skip="*.lock" --skip="*.csv"
       - run: flake8 . --count --ignore=E203,W503 --max-line-length=122 --show-source --statistics
diff --git a/gamestonk_terminal/cryptocurrency/crypto_controller.py b/gamestonk_terminal/cryptocurrency/crypto_controller.py
index 0dbe7463c4d..42a6841b6db 100644
--- a/gamestonk_terminal/cryptocurrency/crypto_controller.py
+++ b/gamestonk_terminal/cryptocurrency/crypto_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 # pylint: disable=R0904, C0302, R1710, W0622
 
 import argparse
-import os
 import matplotlib.pyplot as plt
 import pandas as pd
 from colorama import Style
@@ -14,6 +13,7 @@ from gamestonk_terminal.helper_funcs import (
     get_flair,
     parse_known_args_and_warn,
     check_positive,
+    system_clear,
     MENU_GO_BACK,
     MENU_QUIT,
     MENU_RESET,
@@ -157,7 +157,7 @@ What do you want to do?
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/cryptocurrency/defi/defi_controller.py b/gamestonk_terminal/cryptocurrency/defi/defi_controller.py
index 840f66e0b0d..9ac22e1ac4e 100644
--- a/gamestonk_terminal/cryptocurrency/defi/defi_controller.py
+++ b/gamestonk_terminal/cryptocurrency/defi/defi_controller.py
@@ -1,7 +1,6 @@
 """Defi Controller Module"""
 __docformat__ = "numpy"
 
-import os
 import argparse
 from typing import List
 from prompt_toolkit.completion import NestedCompleter
@@ -13,6 +12,7 @@ from gamestonk_terminal.helper_funcs import (
     parse_known_args_and_warn,
     check_positive,
     try_except,
+    system_clear,
 )
 
 from gamestonk_terminal.cryptocurrency.defi import (
@@ -84,7 +84,7 @@ class DefiController:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
@@ -421,7 +421,7 @@ class DefiController:
         if not ns_parser:
             return
 
-        defirate_view.dislpay_lending_rates(
+        defirate_view.display_lending_rates(
             top=ns_parser.top, current=ns_parser.current, export=ns_parser.export
         )
 
@@ -476,7 +476,7 @@ def print_help():
     print("   tvl           Total value locked of DeFi protocols")
     print("   newsletter    Recent DeFi related newsletters")
     print("   dpi           DeFi protocols listed on DefiPulse")
-    print("   funding       Funding reates - current or last 30 days average")
+    print("   funding       Funding rates - current or last 30 days average")
     print("   borrow        DeFi borrow rates - current or last 30 days average")
     print("   lending       DeFi ending rates - current or last 30 days average")
     print("")
diff --git a/gamestonk_terminal/cryptocurrency/defi/defirate_view.py b/gamestonk_terminal/cryptocurrency/defi/defirate_view.py
index 99cebb283bf..6414190a748 100644
--- a/gamestonk_terminal/cryptocurrency/defi/defirate_view.py
+++ b/gamestonk_terminal/cryptocurrency/defi/defirate_view.py
@@ -48,7 +48,7 @@ def display_funding_rates(top: int, current: bool = True, export: str = "") -> N
     )
 
 
-def dislpay_lending_rates(top: int, current: bool = True, export: str = "") -> None:
+def display_lending_rates(top: int, current: bool = True, export: str = "") -> None:
     """Displays top DeFi lendings. Decentralized Finance lending – allows users to supply cryptocurrencies
     in exchange for earning an annualized return
     [Source: https://defirate.com/]
diff --git a/gamestonk_terminal/cryptocurrency/discovery/discovery_controller.py b/gamestonk_terminal/cryptocurrency/discovery/discovery_controller.py
index b45d94c80dd..fe43da22640 100644
--- a/gamestonk_terminal/cryptocurrency/discovery/discovery_controller.py
+++ b/gamestonk_terminal/cryptocurrency/discovery/discovery_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 
 # pylint: disable=R0904, C0302, W0622
 import argparse
-import os
 from prompt_toolkit.completion import NestedCompleter
 from gamestonk_terminal import feature_flags as gtff
 from gamestonk_terminal.helper_funcs import (
@@ -11,6 +10,7 @@ from gamestonk_terminal.helper_funcs import (
     parse_known_args_and_warn,
     check_positive,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.cryptocurrency.discovery import (
@@ -109,7 +109,7 @@ CoinMarketCap:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/cryptocurrency/due_diligence/dd_controller.py b/gamestonk_terminal/cryptocurrency/due_diligence/dd_controller.py
index d8e2665b8cc..bb8a4daacf1 100644
--- a/gamestonk_terminal/cryptocurrency/due_diligence/dd_controller.py
+++ b/gamestonk_terminal/cryptocurrency/due_diligence/dd_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 
 # pylint: disable=R0904, C0302, W0622
 import argparse
-import os
 import pandas as pd
 from binance.client import Client
 from prompt_toolkit.completion import NestedCompleter
@@ -23,6 +22,7 @@ from gamestonk_terminal.helper_funcs import (
     parse_known_args_and_warn,
     check_positive,
     try_except,
+    system_clear,
 )
 
 from gamestonk_terminal.cryptocurrency.due_diligence.coinpaprika_view import CURRENCIES
@@ -165,7 +165,7 @@ Coinbase:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/cryptocurrency/onchain/onchain_controller.py b/gamestonk_terminal/cryptocurrency/onchain/onchain_controller.py
index e8459a15eac..315bb1ee99f 100644
--- a/gamestonk_terminal/cryptocurrency/onchain/onchain_controller.py
+++ b/gamestonk_terminal/cryptocurrency/onchain/onchain_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 
 # pylint: disable=C0302
 
-import os
 import argparse
 from typing import List
 from datetime import datetime, timedelta
@@ -19,6 +18,7 @@ from gamestonk_terminal.helper_funcs import (
     check_int_range,
     valid_date,
     try_except,
+    system_clear,
 )
 
 from gamestonk_terminal.cryptocurrency.onchain import (
@@ -113,7 +113,7 @@ class OnchainController:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/cryptocurrency/overview/overview_controller.py b/gamestonk_terminal/cryptocurrency/overview/overview_controller.py
index 12d391bea99..3633deac1b7 100644
--- a/gamestonk_terminal/cryptocurrency/overview/overview_controller.py
+++ b/gamestonk_terminal/cryptocurrency/overview/overview_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 
 # pylint: disable=R0904, C0302, W0622
 import argparse
-import os
 from prompt_toolkit.completion import NestedCompleter
 from gamestonk_terminal import feature_flags as gtff
 from gamestonk_terminal.helper_funcs import (
@@ -11,6 +10,7 @@ from gamestonk_terminal.helper_funcs import (
     parse_known_args_and_warn,
     check_positive,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.cryptocurrency.overview import (
@@ -129,7 +129,7 @@ Coinbase:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/cryptocurrency/technical_analysis/ta_controller.py b/gamestonk_terminal/cryptocurrency/technical_analysis/ta_controller.py
index 77db3c214a6..61d6399a570 100644
--- a/gamestonk_terminal/cryptocurrency/technical_analysis/ta_controller.py
+++ b/gamestonk_terminal/cryptocurrency/technical_analysis/ta_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 # pylint:disable=too-many-lines
 
 import argparse
-import os
 from typing import List
 from datetime import datetime
 from colorama import Style
@@ -20,6 +19,7 @@ from gamestonk_terminal.helper_funcs import (
     check_positive,
     valid_date,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.common.technical_analysis import (
@@ -149,7 +149,7 @@ Custom:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
@@ -1138,7 +1138,7 @@ Custom:
             add_help=False,
             formatter_class=argparse.ArgumentDefaultsHelpFormatter,
             prog="fib",
-            description="Calculates the fibinocci retracement levels",
+            description="Calculates the fibonacci retracement levels",
         )
 
         parser.add_argument(
diff --git a/gamestonk_terminal/economy/economy_controller.py b/gamestonk_terminal/economy/economy_controller.py
index 9c61a39223f..0927e19e850 100644
--- a/gamestonk_terminal/economy/economy_controller.py
+++ b/gamestonk_terminal/economy/economy_controller.py
@@ -25,6 +25,7 @@ from gamestonk_terminal.helper_funcs import (
     MENU_QUIT,
     MENU_RESET,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 
@@ -153,7 +154,7 @@ FRED:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/etf/etf_controller.py b/gamestonk_terminal/etf/etf_controller.py
index ff17e6cd665..8a6ee506a34 100644
--- a/gamestonk_terminal/etf/etf_controller.py
+++ b/gamestonk_terminal/etf/etf_controller.py
@@ -24,6 +24,7 @@ from gamestonk_terminal.helper_funcs import (
     MENU_QUIT,
     MENU_RESET,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 
@@ -117,7 +118,7 @@ Finance Database:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/forex/behavioural_analysis/ba_controller.py b/gamestonk_terminal/forex/behavioural_analysis/ba_controller.py
index 06c8c418e4c..3e0a776be29 100644
--- a/gamestonk_terminal/forex/behavioural_analysis/ba_controller.py
+++ b/gamestonk_terminal/forex/behavioural_analysis/ba_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 # pylint:disable=too-many-lines
 
 import argparse
-import os
 from typing import List
 from datetime import datetime
 import textwrap
@@ -18,6 +17,7 @@ from gamestonk_terminal.helper_funcs import (
     valid_date,
     check_positive,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.common.behavioural_analysis import (
@@ -145,7 +145,7 @@ SentimentInvestor:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/forex/exploratory_data_analysis/eda_controller.py b/gamestonk_terminal/forex/exploratory_data_analysis/eda_controller.py
index 15e37c30bd7..0af6ef69581 100644
--- a/gamestonk_terminal/forex/exploratory_data_analysis/eda_controller.py
+++ b/gamestonk_terminal/forex/exploratory_data_analysis/eda_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from datetime import datetime
 import pandas as pd
@@ -10,7 +9,7 @@ from matplotlib import pyplot as plt
 from prompt_toolkit.completion import NestedCompleter
 from gamestonk_terminal.common.exploratory_data_analysis import eda_api
 from gamestonk_terminal import feature_flags as gtff
-from gamestonk_terminal.helper_funcs import get_flair
+from gamestonk_terminal.helper_funcs import get_flair, system_clear
 from gamestonk_terminal.menu import session
 
 
@@ -111,7 +110,7 @@ class EdaController:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/forex/forex_controller.py b/gamestonk_terminal/forex/forex_controller.py
index 707d8fa65fc..34792c00e11 100644
--- a/gamestonk_terminal/forex/forex_controller.py
+++ b/gamestonk_terminal/forex/forex_controller.py
@@ -1,5 +1,4 @@
 import argparse
-import os
 from datetime import timedelta, datetime
 from typing import List
 
@@ -14,6 +13,7 @@ from gamestonk_terminal.forex import av_view, av_model
 # from gamestonk_terminal.forex.exploratory_data_analysis import eda_controller
 from gamestonk_terminal.helper_funcs import (
     get_flair,
+    system_clear,
     MENU_GO_BACK,
     MENU_QUIT,
     MENU_RESET,
@@ -106,7 +106,7 @@ Brokerages:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/helper_funcs.py b/gamestonk_terminal/helper_funcs.py
index 206dfb7c385..0e5a7bf68e2 100644
--- a/gamestonk_terminal/helper_funcs.py
+++ b/gamestonk_terminal/helper_funcs.py
@@ -438,7 +438,7 @@ def get_user_agent() -> str:
         "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:84.0) Gecko/20100101 Firefox/84.0",
     ]
 
-    return random.choice(user_agent_strings)
+    return random.choice(user_agent_strings)  # nosec
 
 
 def text_adjustment_init(self):
@@ -563,7 +563,7 @@ def parse_known_args_and_warn(
         )
 
     if gtff.USE_CLEAR_AFTER_CMD:
-        os.system("cls||clear")
+        system_clear()
 
     (ns_parser, l_unknown_args) = parser.parse_known_args(other_args)
 
@@ -786,3 +786,8 @@ def try_except(f):
             print(e, "\n")
 
     return inner
+
+
+def system_clear():
+    """Clear screen"""
+    os.system("cls||clear")  # nosec
diff --git a/gamestonk_terminal/options/options_controller.py b/gamestonk_terminal/options/options_controller.py
index 224b4a9340f..51e83ee99df 100644
--- a/gamestonk_terminal/options/options_controller.py
+++ b/gamestonk_terminal/options/options_controller.py
@@ -24,6 +24,7 @@ from gamestonk_terminal.helper_funcs import (
     MENU_RESET,
     try_except,
     valid_date,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.options import (
@@ -181,7 +182,7 @@ Current Expiry: {self.selected_date or None}
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
@@ -432,7 +433,7 @@ Current Expiry: {self.selected_date or None}
             add_help=False,
             formatter_class=argparse.ArgumentDefaultsHelpFormatter,
             prog="scr",
-            description="""Sreener filter output from https://ops.syncretism.io/index.html.
+            description="""Screener filter output from https://ops.syncretism.io/index.html.
         Where: CS: Contract Symbol; S: Symbol, T: Option Type; Str: Strike; Exp v: Expiration;
         IV: Implied Volatility; LP: Last Price; B: Bid; A: Ask; V: Volume; OI: Open Interest;
         Y: Yield; MY: Monthly Yield; SMP: Regular Market Price; SMDL: Regular Market Day Low;
diff --git a/gamestonk_terminal/options/payoff_controller.py b/gamestonk_terminal/options/payoff_controller.py
index 808cc1232cb..74032371d1c 100644
--- a/gamestonk_terminal/options/payoff_controller.py
+++ b/gamestonk_terminal/options/payoff_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List, Dict
 
 import matplotlib.pyplot as plt
@@ -13,6 +12,7 @@ from gamestonk_terminal.helper_funcs import (
     get_flair,
     parse_known_args_and_warn,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.options.yfinance_model import get_option_chain, get_price
@@ -106,7 +106,7 @@ Underlying Asset: {text}
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/portfolio/brokers/ally/ally_controller.py b/gamestonk_terminal/portfolio/brokers/ally/ally_controller.py
index 63ea18ffeee..2244ae69fda 100644
--- a/gamestonk_terminal/portfolio/brokers/ally/ally_controller.py
+++ b/gamestonk_terminal/portfolio/brokers/ally/ally_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from prompt_toolkit.completion import NestedCompleter
 from gamestonk_terminal import feature_flags as gtff
@@ -12,6 +11,7 @@ from gamestonk_terminal.helper_funcs import (
     get_flair,
     parse_known_args_and_warn,
     try_except,
+    system_clear,
 )
 
 
@@ -81,7 +81,7 @@ Stock Information:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/portfolio/brokers/bro_controller.py b/gamestonk_terminal/portfolio/brokers/bro_controller.py
index 4316e4cf3ad..0e1471be253 100644
--- a/gamestonk_terminal/portfolio/brokers/bro_controller.py
+++ b/gamestonk_terminal/portfolio/brokers/bro_controller.py
@@ -3,11 +3,10 @@ __docformat__ = "numpy"
 # pylint: disable=R1710
 
 import argparse
-import os
 from prompt_toolkit.completion import NestedCompleter
 
 from gamestonk_terminal import feature_flags as gtff
-from gamestonk_terminal.helper_funcs import get_flair
+from gamestonk_terminal.helper_funcs import get_flair, system_clear
 from gamestonk_terminal.menu import session
 
 from gamestonk_terminal.portfolio.brokers.ally import ally_controller
@@ -77,7 +76,7 @@ Crypto Brokers:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/portfolio/brokers/coinbase/coinbase_controller.py b/gamestonk_terminal/portfolio/brokers/coinbase/coinbase_controller.py
index 9c1174ef29a..9782440ab81 100644
--- a/gamestonk_terminal/portfolio/brokers/coinbase/coinbase_controller.py
+++ b/gamestonk_terminal/portfolio/brokers/coinbase/coinbase_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 
 # pylint: disable=R0904, C0302, W0622
 import argparse
-import os
 from prompt_toolkit.completion import NestedCompleter
 from gamestonk_terminal import feature_flags as gtff
 from gamestonk_terminal.menu import session
@@ -15,6 +14,7 @@ from gamestonk_terminal.helper_funcs import (
     parse_known_args_and_warn,
     check_positive,
     try_except,
+    system_clear,
 )
 
 
@@ -79,7 +79,7 @@ Coinbase:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/portfolio/brokers/degiro/degiro_controller.py b/gamestonk_terminal/portfolio/brokers/degiro/degiro_controller.py
index 5ada9abebd0..453f3be7769 100644
--- a/gamestonk_terminal/portfolio/brokers/degiro/degiro_controller.py
+++ b/gamestonk_terminal/portfolio/brokers/degiro/degiro_controller.py
@@ -1,6 +1,5 @@
 # IMPORTATION STANDARD
 import argparse
-import os
 
 # IMPORTATION THIRDPARTY
 from prompt_toolkit.completion import NestedCompleter
@@ -12,6 +11,7 @@ from gamestonk_terminal import feature_flags as gtff
 from gamestonk_terminal.helper_funcs import (
     get_flair,
     parse_known_args_and_warn,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.portfolio.brokers.degiro.degiro_view import DegiroView
@@ -360,7 +360,7 @@ class DegiroController:
 
             # Clear screen
             if known_args.cmd == "cls":
-                os.system("cls||clear")
+                system_clear()
                 return None
 
             return getattr(
diff --git a/gamestonk_terminal/portfolio/brokers/robinhood/robinhood_controller.py b/gamestonk_terminal/portfolio/brokers/robinhood/robinhood_controller.py
index 2cb517a3ef9..770846627fd 100644
--- a/gamestonk_terminal/portfolio/brokers/robinhood/robinhood_controller.py
+++ b/gamestonk_terminal/portfolio/brokers/robinhood/robinhood_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from prompt_toolkit.completion import NestedCompleter
 from gamestonk_terminal import feature_flags as gtff
@@ -15,6 +14,7 @@ from gamestonk_terminal.helper_funcs import (
     get_flair,
     parse_known_args_and_warn,
     try_except,
+    system_clear,
 )
 
 valid_span = ["day", "week", "month", "3month", "year", "5year", "all"]
@@ -81,7 +81,7 @@ Robinhood:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/portfolio/portfolio_analysis/pa_controller.py b/gamestonk_terminal/portfolio/portfolio_analysis/pa_controller.py
index e4583c30015..732781744fa 100644
--- a/gamestonk_terminal/portfolio/portfolio_analysis/pa_controller.py
+++ b/gamestonk_terminal/portfolio/portfolio_analysis/pa_controller.py
@@ -1,4 +1,4 @@
-"""Portffolio Analysis Controller"""
+"""Portfolio Analysis Controller"""
 __docformat__ = "numpy"
 
 import argparse
@@ -12,6 +12,7 @@ from gamestonk_terminal.helper_funcs import (
     get_flair,
     parse_known_args_and_warn,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.portfolio.portfolio_analysis import (
@@ -96,7 +97,7 @@ Portfolio: {self.portfolio_name or None}
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/portfolio/portfolio_controller.py b/gamestonk_terminal/portfolio/portfolio_controller.py
index 57456be4942..010fe3d4ba8 100644
--- a/gamestonk_terminal/portfolio/portfolio_controller.py
+++ b/gamestonk_terminal/portfolio/portfolio_controller.py
@@ -20,6 +20,7 @@ from gamestonk_terminal.helper_funcs import (
     try_except,
     valid_date,
     check_positive_float,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.portfolio.brokers import bro_controller
@@ -142,7 +143,7 @@ Graphs:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/portfolio/portfolio_optimization/po_controller.py b/gamestonk_terminal/portfolio/portfolio_optimization/po_controller.py
index fad8b839864..8f9069640de 100644
--- a/gamestonk_terminal/portfolio/portfolio_optimization/po_controller.py
+++ b/gamestonk_terminal/portfolio/portfolio_optimization/po_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 import matplotlib.pyplot as plt
 from prompt_toolkit.completion import NestedCompleter
@@ -12,6 +11,7 @@ from gamestonk_terminal.helper_funcs import (
     parse_known_args_and_warn,
     check_non_negative,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.portfolio.portfolio_optimization import (
@@ -125,7 +125,7 @@ Mean Variance Optimization:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/reports/reports_controller.py b/gamestonk_terminal/reports/reports_controller.py
index a92271376d3..15de7c6b201 100644
--- a/gamestonk_terminal/reports/reports_controller.py
+++ b/gamestonk_terminal/reports/reports_controller.py
@@ -14,7 +14,7 @@ import papermill as pm
 
 from gamestonk_terminal import feature_flags as gtff
 from gamestonk_terminal.menu import session
-from gamestonk_terminal.helper_funcs import get_flair
+from gamestonk_terminal.helper_funcs import get_flair, system_clear
 from gamestonk_terminal import config_terminal
 
 
@@ -133,7 +133,7 @@ Select one of the following reports:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         # Go back to menu above
diff --git a/gamestonk_terminal/resources/resources_controller.py b/gamestonk_terminal/resources/resources_controller.py
index 1073ae11e24..5f956c61618 100644
--- a/gamestonk_terminal/resources/resources_controller.py
+++ b/gamestonk_terminal/resources/resources_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 import webbrowser
 
 from prompt_toolkit.completion import NestedCompleter
@@ -10,6 +9,7 @@ from prompt_toolkit.completion import NestedCompleter
 from gamestonk_terminal import feature_flags as gtff
 from gamestonk_terminal.helper_funcs import (
     get_flair,
+    system_clear,
     MENU_GO_BACK,
     MENU_QUIT,
     MENU_RESET,
@@ -98,7 +98,7 @@ What do you want to do?
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         if other_args:
diff --git a/gamestonk_terminal/stocks/backtesting/bt_controller.py b/gamestonk_terminal/stocks/backtesting/bt_controller.py
index b9bd926ff1d..01ce51713d1 100644
--- a/gamestonk_terminal/stocks/backtesting/bt_controller.py
+++ b/gamestonk_terminal/stocks/backtesting/bt_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 
 import matplotlib as mpl
@@ -16,6 +15,7 @@ from gamestonk_terminal.helper_funcs import (
     get_flair,
     parse_known_args_and_warn,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.stocks.stocks_helper import load
@@ -90,7 +90,7 @@ Current Ticker: {self.ticker.upper()}
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/behavioural_analysis/ba_controller.py b/gamestonk_terminal/stocks/behavioural_analysis/ba_controller.py
index f06d7400ad8..a1ebb2c8cb9 100644
--- a/gamestonk_terminal/stocks/behavioural_analysis/ba_controller.py
+++ b/gamestonk_terminal/stocks/behavioural_analysis/ba_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 # pylint:disable=too-many-lines
 
 import argparse
-import os
 from typing import List
 from datetime import datetime
 import textwrap
@@ -20,6 +19,7 @@ from gamestonk_terminal.helper_funcs import (
     valid_date,
     check_positive,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.common.behavioural_analysis import (
@@ -147,7 +147,7 @@ SentimentInvestor:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/comparison_analysis/ca_controller.py b/gamestonk_terminal/stocks/comparison_analysis/ca_controller.py
index 6effd078038..9ee7f8f8132 100644
--- a/gamestonk_terminal/stocks/comparison_analysis/ca_controller.py
+++ b/gamestonk_terminal/stocks/comparison_analysis/ca_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 # pylint:disable=too-many-lines
 import argparse
-import os
 import random
 from typing import List
 
@@ -17,6 +16,7 @@ from gamestonk_terminal.helper_funcs import (
     get_flair,
     parse_known_args_and_warn,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.portfolio.portfolio_optimization import po_controller
@@ -382,7 +382,7 @@ Finviz:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/dark_pool_shorts/dps_controller.py b/gamestonk_terminal/stocks/dark_pool_shorts/dps_controller.py
index cb0b7e6f7c4..7193ffd28f8 100644
--- a/gamestonk_terminal/stocks/dark_pool_shorts/dps_controller.py
+++ b/gamestonk_terminal/stocks/dark_pool_shorts/dps_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from datetime import datetime, timedelta
 from colorama import Style
@@ -18,6 +17,7 @@ from gamestonk_terminal.helper_funcs import (
     valid_date,
     check_int_range,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.stocks.stocks_helper import load
 from gamestonk_terminal.stocks.dark_pool_shorts import (
@@ -129,7 +129,7 @@ Quandl/Stockgrid:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/discovery/disc_controller.py b/gamestonk_terminal/stocks/discovery/disc_controller.py
index a1af4de863c..e3f869420f6 100644
--- a/gamestonk_terminal/stocks/discovery/disc_controller.py
+++ b/gamestonk_terminal/stocks/discovery/disc_controller.py
@@ -3,7 +3,6 @@ __docformat__ = "numpy"
 # pylint:disable=too-many-lines
 
 import argparse
-import os
 from datetime import datetime
 from typing import List
 
@@ -19,6 +18,7 @@ from gamestonk_terminal.helper_funcs import (
     valid_date,
     check_int_range,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.stocks.discovery import (
@@ -138,7 +138,7 @@ Finance Database:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/due_diligence/dd_controller.py b/gamestonk_terminal/stocks/due_diligence/dd_controller.py
index d6bb6fa881d..9378a4d0cc1 100644
--- a/gamestonk_terminal/stocks/due_diligence/dd_controller.py
+++ b/gamestonk_terminal/stocks/due_diligence/dd_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from pandas.core.frame import DataFrame
 from prompt_toolkit.completion import NestedCompleter
@@ -23,6 +22,7 @@ from gamestonk_terminal.helper_funcs import (
     check_positive,
     EXPORT_ONLY_RAW_DATA_ALLOWED,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.stocks.stocks_helper import load
@@ -137,7 +137,7 @@ cathiesark.com
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/fundamental_analysis/fa_controller.py b/gamestonk_terminal/stocks/fundamental_analysis/fa_controller.py
index 18df7862f59..cb13c9cb5c6 100644
--- a/gamestonk_terminal/stocks/fundamental_analysis/fa_controller.py
+++ b/gamestonk_terminal/stocks/fundamental_analysis/fa_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from prompt_toolkit.completion import NestedCompleter
 
@@ -26,6 +25,7 @@ from gamestonk_terminal.helper_funcs import (
     parse_known_args_and_warn,
     check_positive,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 
@@ -178,7 +178,7 @@ Other Sources:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/fundamental_analysis/financial_modeling_prep/fmp_controller.py b/gamestonk_terminal/stocks/fundamental_analysis/financial_modeling_prep/fmp_controller.py
index f2c95355196..bb9317f0a72 100644
--- a/gamestonk_terminal/stocks/fundamental_analysis/financial_modeling_prep/fmp_controller.py
+++ b/gamestonk_terminal/stocks/fundamental_analysis/financial_modeling_prep/fmp_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from prompt_toolkit.completion import NestedCompleter
 
@@ -16,6 +15,7 @@ from gamestonk_terminal.helper_funcs import (
     check_positive,
     EXPORT_ONLY_RAW_DATA_ALLOWED,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 
@@ -115,7 +115,7 @@ Financial Modeling Prep:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/government/gov_controller.py b/gamestonk_terminal/stocks/government/gov_controller.py
index cf69bcdf056..74d161c1ac3 100644
--- a/gamestonk_terminal/stocks/government/gov_controller.py
+++ b/gamestonk_terminal/stocks/government/gov_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from colorama import Style
 from matplotlib import pyplot as plt
@@ -16,6 +15,7 @@ from gamestonk_terminal.helper_funcs import (
     parse_known_args_and_warn,
     check_positive,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.stocks.stocks_helper import load
 from gamestonk_terminal.helper_funcs import (
@@ -113,7 +113,7 @@ Current Ticker: {self.ticker or None}{dim_no_ticker}
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/insider/insider_controller.py b/gamestonk_terminal/stocks/insider/insider_controller.py
index 871fe4077f4..d37b5baef75 100644
--- a/gamestonk_terminal/stocks/insider/insider_controller.py
+++ b/gamestonk_terminal/stocks/insider/insider_controller.py
@@ -13,6 +13,7 @@ from gamestonk_terminal.helper_funcs import (
     parse_known_args_and_warn,
     check_positive,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal import feature_flags as gtff
@@ -292,7 +293,7 @@ Ticker: {self.ticker}
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/prediction_techniques/pred_controller.py b/gamestonk_terminal/stocks/prediction_techniques/pred_controller.py
index 459483f4bec..59d784333b0 100644
--- a/gamestonk_terminal/stocks/prediction_techniques/pred_controller.py
+++ b/gamestonk_terminal/stocks/prediction_techniques/pred_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from datetime import datetime
 import pandas as pd
@@ -19,6 +18,7 @@ from gamestonk_terminal.helper_funcs import (
     get_next_stock_market_days,
     EXPORT_ONLY_FIGURES_ALLOWED,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.common.prediction_techniques import (
@@ -137,7 +137,7 @@ Models:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/quantitative_analysis/qa_controller.py b/gamestonk_terminal/stocks/quantitative_analysis/qa_controller.py
index bbcd79aa6a7..b2cbea925f8 100644
--- a/gamestonk_terminal/stocks/quantitative_analysis/qa_controller.py
+++ b/gamestonk_terminal/stocks/quantitative_analysis/qa_controller.py
@@ -2,7 +2,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 from typing import List
 from datetime import datetime
 
@@ -24,6 +23,7 @@ from gamestonk_terminal.helper_funcs import (
     check_proportion_range,
     parse_known_args_and_warn,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.stocks.quantitative_analysis.factors_view import capm_view
@@ -152,7 +152,7 @@ Other:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/research/res_controller.py b/gamestonk_terminal/stocks/research/res_controller.py
index ba14560b7b0..c64f3a61831 100644
--- a/gamestonk_terminal/stocks/research/res_controller.py
+++ b/gamestonk_terminal/stocks/research/res_controller.py
@@ -2,12 +2,11 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 import webbrowser
 from datetime import datetime
 from prompt_toolkit.completion import NestedCompleter
 from gamestonk_terminal import feature_flags as gtff
-from gamestonk_terminal.helper_funcs import get_flair
+from gamestonk_terminal.helper_funcs import get_flair, system_clear
 from gamestonk_terminal.menu import session
 
 
@@ -113,7 +112,7 @@ class ResearchController:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         if other_args:
diff --git a/gamestonk_terminal/stocks/screener/screener_controller.py b/gamestonk_terminal/stocks/screener/screener_controller.py
index a748b8182f3..e772f1ed48e 100644
--- a/gamestonk_terminal/stocks/screener/screener_controller.py
+++ b/gamestonk_terminal/stocks/screener/screener_controller.py
@@ -12,6 +12,7 @@ from gamestonk_terminal import feature_flags as gtff
 from gamestonk_terminal.helper_funcs import (
     get_flair,
     parse_known_args_and_warn,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.portfolio.portfolio_optimization import po_controller
@@ -221,7 +222,7 @@ class ScreenerController:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/stocks_controller.py b/gamestonk_terminal/stocks/stocks_controller.py
index b30f0c15522..abc23d4eee5 100644
--- a/gamestonk_terminal/stocks/stocks_controller.py
+++ b/gamestonk_terminal/stocks/stocks_controller.py
@@ -1,5 +1,4 @@
 import argparse
-import os
 from typing import List
 
 from datetime import datetime, timedelta
@@ -25,6 +24,7 @@ from gamestonk_terminal.helper_funcs import (
     MENU_QUIT,
     MENU_RESET,
     try_except,
+    system_clear,
 )
 from gamestonk_terminal.common.quantitative_analysis import qa_view
 
@@ -163,7 +163,7 @@ Market {('CLOSED', 'OPEN')[b_is_stock_market_open()]}
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/stocks/technical_analysis/ta_controller.py b/gamestonk_terminal/stocks/technical_analysis/ta_controller.py
index 8cb2f701965..54f6d073aed 100644
--- a/gamestonk_terminal/stocks/technical_analysis/ta_controller.py
+++ b/gamestonk_terminal/stocks/technical_analysis/ta_controller.py
@@ -4,7 +4,6 @@ __docformat__ = "numpy"
 # pylint:disable=R0904
 
 import argparse
-import os
 from typing import List
 from datetime import datetime
 
@@ -20,6 +19,7 @@ from gamestonk_terminal.helper_funcs import (
     check_positive,
     try_except,
     valid_date,
+    system_clear,
 )
 from gamestonk_terminal.menu import session
 from gamestonk_terminal.stocks.technical_analysis import (
@@ -169,7 +169,7 @@ Custom:
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(
diff --git a/gamestonk_terminal/terminal_helper.py b/gamestonk_terminal/terminal_helper.py
index 35b236bd0d2..a8fe63d383b 100644
--- a/gamestonk_terminal/terminal_helper.py
+++ b/gamestonk_terminal/terminal_helper.py
@@ -3,7 +3,7 @@ __docformat__ = "numpy"
 import hashlib
 import os
 import random
-import subprocess
+import subprocess  # nosec
 import sys
 from datetime import datetime
 
@@ -291,7 +291,7 @@ def print_goodbye():
     else:
         goodbye_msg_time = "Go get some rest soldier!"
 
-    print(
+    print(  # nosec
         goodbye_msg[random.randint(0, len(goodbye_msg) - 1)] + goodbye_msg_time + "\n"
     )
 
@@ -310,7 +310,7 @@ def update_terminal():
     """Updates the terminal by running git pull in the directory.  Runs poetry install if needed"""
     poetry_hash = sha256sum("poetry.lock")
 
-    completed_process = subprocess.run("git pull", shell=True, check=False)
+    completed_process = subprocess.run("git pull", shell=True, check=False)  # nosec
     if completed_process.returncode != 0:
         return completed_process.returncode
 
@@ -323,7 +323,9 @@ def update_terminal():
         "Seems like more modules have been added, grab a coke, this may take a while."
     )
 
-    completed_process = subprocess.run("poetry install", shell=True, check=False)
+    completed_process = subprocess.run(
+        "poetry install", shell=True, check=False
+    )  # nosec
     if completed_process.returncode != 0:
         return completed_process.returncode
 
@@ -358,7 +360,7 @@ def about_us():
 def bootup():
     # Enable VT100 Escape Sequence for WINDOWS 10 Ver. 1607
     if sys.platform == "win32":
-        os.system("")
+        os.system("")  # nosec
 
     try:
         if os.name == "nt":
@@ -390,7 +392,7 @@ def reset(menu_prior_to_reset=""):
     plt.close("all")
 
     arg = f" {menu_prior_to_reset}" if menu_prior_to_reset else ""
-    completed_process = subprocess.run(
+    completed_process = subprocess.run(  # nosec
         f"{sys.executable} terminal.py{arg}", shell=True, check=False
     )
     if completed_process.returncode != 0:
diff --git a/terminal.py b/terminal.py
index b06cf0604b2..38375a3298c 100644
--- a/terminal.py
+++ b/terminal.py
@@ -3,7 +3,6 @@
 __docformat__ = "numpy"
 
 import argparse
-import os
 import sys
 
 from prompt_toolkit.completion import NestedCompleter
@@ -12,6 +11,7 @@ from gamestonk_terminal import config_terminal
 from gamestonk_terminal import feature_flags as gtff
 from gamestonk_terminal.helper_funcs import (
     get_flair,
+    system_clear,
     MENU_RESET,
     MENU_GO_BACK,
     MENU_QUIT,
@@ -125,7 +125,7 @@ What do you want to do?
 
         # Clear screen
         if known_args.cmd == "cls":
-            os.system("cls||clear")
+            system_clear()
             return None
 
         return getattr(