What are common exit codes and their meanings?

What are common exit codes and their meanings?

Common exit codes are numerical values returned by programs to indicate their execution status. For example, 0 means success, while 1 typically indicates a general error.

Can you explain what exit code 127 means?

Exit code 127 usually means that a command was not found. This often occurs when the command is not installed or not in the system's PATH.

What does exit code 2 signify?

Exit code 2 generally indicates a misuse of shell builtins. It can occur when a command is used incorrectly.

Are there any other exit codes I should be aware of?

Yes, there are many exit codes. For instance, exit code 126 means a command was found but could not be executed.