How/command to find out the current shell – Unix/Linux

Shell is a program that takes your commands from the keyboard and gives them to the operating system to perform. Some common types of shells are listed below:
> /bin/bash
> /bin/ksh
> /bin/csh
> /bin/sh
> /sbin/nologin
etc…

How/command to find out the current shell ?

# echo $SHELL

Example:

[[email protected] ~]# echo $SHELL
/bin/bash

Related Post:
How to change the shell for an already existing user

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Arunlal Ashok

DevOps Engineer at Zeta Suite. Linux lover. Traveller. Father of two princesses.

Always happy for an open discussion! Write to arun ((@)) crybit ((dot)) com.
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