How Can You Tell What Shell You Are Running On Unix System?

1.	How Can You Tell What Shell You Are Running On Unix System?
Answer» 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 -1 and look for the shell with the highest P(K). 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 -1 and look for the shell with the highest P(K).

Answer»

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 -1 and look for the shell with the highest P(K).

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 -1 and look for the shell with the highest P(K).

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