Exit Codes and Their Meaning

Exit Codes and Their Meaning

• 0: Success.
• 1: General non-specific error.
• 2: Misuse of shell builtins (syntax error).
• 126: Command invoked cannot execute (permission problem).
• 127: Command not found.
• 128+N: Fatal error with signal N (e.g. 130 = 128 + 2 for SIGINT).