diff --git a/promptshell/main.py b/promptshell/main.py
index a8dfb90..484f3d0 100644
--- a/promptshell/main.py
+++ b/promptshell/main.py
@@ -32,7 +32,7 @@ def main():
             if len(prompt) + len(user_input) > columns:
                 print()  # Move to the next line if input is too long
 
-            if user_input.lower() == 'quit':
+            if user_input.lower() in ['quit', 'exit']: # Allow both 'quit' and 'exit' commands to terminate the REPL session
                 print(format_text('red', bold=True) + "\nTerminating..." + reset_format())
                 break
 
diff --git a/tests/test_repl.py b/tests/test_repl.py
new file mode 100644
index 0000000..7a62f1d
--- /dev/null
+++ b/tests/test_repl.py
@@ -0,0 +1,23 @@
+import pytest
+from io import StringIO
+from unittest.mock import patch
+from promptshell.main import main  # Adjust the import based on your project structure
+import os
+
+@patch('os.get_terminal_size', return_value=os.terminal_size((80, 24)))
+@patch('builtins.input', side_effect=['exit'])
+@patch('sys.stdout', new_callable=StringIO)
+def test_exit_command(mock_stdout, mock_input, mock_terminal_size):
+    """Test that the 'exit' command terminates the REPL session."""
+    main()
+    output = mock_stdout.getvalue()
+    assert "Terminating..." in output  # Check for termination message
+
+@patch('os.get_terminal_size', return_value=os.terminal_size((80, 24)))
+@patch('builtins.input', side_effect=['quit'])
+@patch('sys.stdout', new_callable=StringIO)
+def test_quit_command(mock_stdout, mock_input, mock_terminal_size):
+    """Test that the 'quit' command terminates the REPL session."""
+    main()
+    output = mock_stdout.getvalue()
+    assert "Terminating..." in output  # Check for termination message