How can you tell what shell you are running on UNIX system?

Q

How can you tell what shell you are running on UNIX system?

✍: Guest

A

You can do the Echo $RANDOM. It will return a undefined variable if you are from the C-Shell, just a return prompt if you are from the Bourne shell, and a 5 digit random numbers if you are from the Korn shell. You could also do a ps -l and look for the shell with the highest PID.

2012-01-18, 2869👍, 0💬