Change shell

Syntax#

• echo $0
• ps -p $$
• echo $SHELL
• export SHELL=/bin/bash
• exec /bin/bash
• cat /etc/shells

Find the current shell

There are a few ways to determine the current shell

echo $0
ps -p $$
echo $SHELL

Change the shell

To change the current bash run these commands

export SHELL=/bin/bash
exec /bin/bash

to change the bash that opens on startup edit .profile and add those lines

List available shells

To list available login shells :

cat /etc/shells

Example:

$ cat /etc/shells
# /etc/shells: valid login shells
/bin/sh
/bin/dash
/bin/bash
/bin/rbash