Linux – How to find out which Shell you are using?

Here are three quick ways to find out which shell you are currently using:

Method 1:

command:

# echo $SHELL

output:

/bin/bash

Method 2:

command:

# echo $0

output:

-bash

Method 3:

command:

# ps -p $$

output:

 PID TTY               TIME CMD
1447 tty1          00:00:01 bash
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  1. #1 by dinesh on May 7, 2013 - 11:08 pm

    thanks

  2. #2 by Meagan on February 17, 2013 - 3:22 am

    Wow that was strange. I just wrote an really
    long comment but after I clicked submit my comment didn’t show up. Grrrr… well I’m
    not writing all that over again. Regardless, just wanted to say
    wonderful blog!

  3. #3 by unknown on August 22, 2012 - 11:15 am

    good info..

  4. #4 by akismet-a78e4ca2265737c53b15b0970a135976ens on August 1, 2012 - 10:56 am

    hey, how do you know the shell of another user?

  5. #5 by anshprat on December 4, 2008 - 4:11 am

    #! /bin/ksh
    echo $SHELL

    will still give me bash. How do I get the desired output in this case, i.e, ksh? I want to know the shell under which the process is running..

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