diff --git a/promptshell/ai_terminal_assistant.py b/promptshell/ai_terminal_assistant.py
index ee381be..810a983 100644
--- a/promptshell/ai_terminal_assistant.py
+++ b/promptshell/ai_terminal_assistant.py
@@ -5,12 +5,16 @@
 import sys
 import platform
 import questionary
+import re
 from typing import Tuple
 from .node import Node
 from .data_gatherer import DataGatherer
-from .format_utils import format_text, reset_format, get_current_os, get_os_specific_examples
+from .format_utils import format_text, reset_format
 from .system_info import get_system_info
 
+def get_current_os():
+    return platform.system()
+
 class AITerminalAssistant:
     def __init__(self, model_name: str, max_tokens: int = 8000, config: dict = None):
         self.username = getpass.getuser()
@@ -202,62 +206,84 @@ def execute_interactive_command(self, command: str) -> Tuple[str, str, int]:
 
     def execute_command(self, user_input: str) -> str:
         try:
+            command = None
             self.current_directory = os.getcwd()
+            
             if user_input.strip() == "":
                 return "Please provide a valid input."
+
+            # Handle special commands (?, clear, !)
             if user_input.startswith('?') or user_input.endswith('?'):
                 return self.answer_question(user_input)
-            if user_input.lower().strip() == 'clear' or user_input.lower().strip() == 'cls':
-                if get_current_os() == 'windows':
-                    os.system('cls')
-                else:
-                    os.system('clear')
+            if user_input.lower().strip() in ['clear', 'cls']:
+                os.system('cls' if get_current_os() == 'windows' else 'clear')
                 return ""
             if user_input.startswith('!'):
                 return self.run_direct_command(user_input[1:])
-            additional_data = self.gather_additional_data(user_input)
+
+            # Get command from executor
             command = self.command_executor(f"""
             User Input: {user_input}
-            Current OS: {get_current_os()}
-            Current OS specific examples: {get_os_specific_examples()}
+            Current OS: {platform.system()}
             Current Directory: {self.current_directory}
-            Translate the user input into a SINGLE shell command according to the operating system.
+            Translate the user input into a SINGLE shell command.
             Return ONLY the command, nothing else.
-            If the input is already a valid shell command, return it as is.
-            Do not provide any explanations or comments.
-            Use the actual filenames and content provided in the additional data.
-            """, additional_data=additional_data).strip()
+            """, additional_data=self.gather_additional_data(user_input)).strip()
+
+            # Two-step verification for dangerous commands
+            if self.is_dangerous_command(command):
+                print(format_text('yellow', bold=True) + 
+                    f"\n⚠️  Warning: The command '{command}' may be destructive." + 
+                    reset_format())
+                
+                # First confirmation
+                if not questionary.confirm("Do you want to proceed?").ask():
+                    return format_text('red', bold=True) + "\nCommand aborted by user." + reset_format()
+
+                # Second confirmation - manual reentry
+                confirm_input = questionary.text("For safety, please re-type the exact command:").ask()
+                if confirm_input.strip() != command.strip():
+                    return format_text('red', bold=True) + "\n❌ Command mismatch. Operation aborted!" + reset_format()
+
+            return self._execute_validated_command(command)
 
-            choice = questionary.confirm(f"Do you want to run the command '{command}'?").ask()
-            if choice:
-                if command.startswith("CONFIRM:"):
-                    confirmation = questionary.confirm(f"Warning: This command may be destructive. Are you sure you want to run '{command[8:]}'?").ask()
-                    if not confirmation:
-                        return format_text('red') + "Command execution aborted." + reset_format()
-                    command = command[8:]
-                formatted_command = format_text('cyan') + f"Command: {command}" + reset_format()
-                print(formatted_command)
-                self.command_history.append(command)
-                if len(self.command_history) > 10:
-                    self.command_history.pop(0)
-                if command.startswith("cd "):
-                    path = command.split(" ", 1)[1]
-                    os.chdir(os.path.expanduser(path))
-                    result = f"Changed directory to {os.getcwd()}"
-                    exit_code = 0
-                else:
-                    stdout, stderr, exit_code = self.execute_command_with_live_output(command)
-                    result = ""
-                    if exit_code != 0:
-                        debug_suggestion = self.debug_error(command, stderr, exit_code)
-                        result += format_text('yellow') + f"\n\nDebugging Suggestion:\n{debug_suggestion}" + reset_format()
-                return result.strip()
-            else:
-                print(format_text('red') + "Command cancelled!" + reset_format())
-                return ""
         except Exception as e:
-            print(format_text('red') + "Error in execute command" + reset_format())
-            return self.handle_error(str(e), user_input, command)
+            print(format_text('red') + f"Error: {str(e)}" + reset_format())
+            return format_text('red') + "Command execution failed." + reset_format()
+
+    def handle_error(self, error: str, user_input: str, command: str) -> str:
+        try:
+            error_analysis = self.error_handler(f"""
+            Error: {error}
+            User Input: {user_input}
+            Interpreted Command: {command}
+            Current Directory: {self.current_directory}
+            Provide ONLY a single, simple corrected command. No explanations.
+            """)
+            
+            print(format_text('red') + f"Error occurred: {error}" + reset_format())
+            print(format_text('yellow') + f"Suggested command: {error_analysis}" + reset_format())
+            
+            if questionary.confirm("Would you like to execute the suggested command?").ask():
+                return self._execute_validated_command(error_analysis)
+            return format_text('red') + "Command execution aborted." + reset_format()
+
+        except Exception as e:
+            return format_text('red') + f"Error handler failed: {str(e)}" + reset_format()
+
+    def _execute_validated_command(self, command: str) -> str:
+        """Helper method to execute validated commands"""
+        if command.startswith("cd "):
+            path = command.split(" ", 1)[1]
+            os.chdir(os.path.expanduser(path))
+            return f"Changed directory to {os.getcwd()}"
+            
+        stdout, stderr, exit_code = self.execute_command_with_live_output(command)
+        if exit_code != 0 and stderr:
+            debug_suggestion = self.debug_error(command, stderr, exit_code)
+            return format_text('yellow') + f"\nDebugging Suggestion:\n{debug_suggestion}" + reset_format()
+        
+        return stdout.strip() if stdout else ""
 
     def run_direct_command(self, command: str) -> str:
         try:
@@ -334,19 +360,22 @@ def debug_error(self, command: str, error_output: str, exit_code: int) -> str:
         """
         return self.debugger(debug_input)
 
-    def handle_error(self, error: str, user_input: str, command: str) -> str:
-        error_analysis = self.error_handler(f"""
-        Error: {error}
-        User Input: {user_input}
-        Interpreted Command: {command}
-        Current Directory: {self.current_directory}
-        Provide ONLY a single, simple corrected command. No explanations.
-        """)
-        error_msg = format_text('red') + f"Error occurred: {error}" + reset_format()
-        suggestion_msg = format_text('yellow') + f"Suggested command: {error_analysis}" + reset_format()
-        print(error_msg)
-        print(suggestion_msg)
-        confirmation = questionary.confirm("Would you like to execute the suggested command?").ask()
-        if confirmation:
-            return self.execute_command(error_analysis)
-        return format_text('red') + "Command execution aborted." + reset_format()
\ No newline at end of file
+    def is_dangerous_command(self, command: str) -> bool:
+        dangerous_patterns = [
+            (r"(?:^|\s)(rm|del|delete)\s+-[rf]*\s+", "Recursive/forced deletion"),
+            (r"(?:^|\s)(rm|del|delete)\s+.*[\*\?]", "Wildcard deletion"),
+            (r"(?:^|\s)(chmod|chown)\s+-R\s+", "Recursive permission change"),
+            (r"(?:^|\s)(dd|format|mkfs)\s+", "Disk operations"),
+            (r"(?:^|\s)(shutdown|reboot|init\s+[06])\s*", "System control"),
+            (r"(?:^|\s)>(>?)\s+", "Output redirection"),
+        ]
+        
+        cmd_lower = command.lower().strip()
+        return any(
+            cmd_lower.startswith(kw) for kw in [
+                "rm ", "del ", "delete ", "chmod ", "chown ",
+                "mkfs.", "dd ", "reboot", "shutdown", "init 0", "init 6"
+            ]
+        ) or any(
+            bool(re.search(pattern, cmd_lower)) for pattern, _ in dangerous_patterns
+        )
\ No newline at end of file
diff --git a/promptshell/main.py b/promptshell/main.py
index a8dfb90..d85dbe7 100644
--- a/promptshell/main.py
+++ b/promptshell/main.py
@@ -53,6 +53,13 @@ def main():
 - Type 'clear' to clear the terminal.{reset_format()}""")
                 continue
 
+            # ✅ Handle alias command
+            if user_input.lower().startswith("alias "):
+                result = handle_alias_command(user_input, assistant.alias_manager)
+                print(result)
+                continue
+
+            # All other commands (including dangerous ones) are handled by the assistant
             result = assistant.execute_command(user_input)
             print(result)