Bash, or the Bourne-Again Shell, is by far the most widely used choice and it comes installed as the default shell in the most popular Linux distributions.

What is the default shell of Linux?

Bash (/bin/bash) is a popular shell on most if not all Linux systems, and it’s normally the default shell for user accounts. There are several reasons for changing a user’s shell in Linux including the following: To block or disable normal user logins in Linux using a nologin shell.

Which shell is used in Linux?

On most Linux systems a program called bash (which stands for Bourne Again SHell, an enhanced version of the original Unix shell program, sh , written by Steve Bourne) acts as the shell program. Besides bash , there are other shell programs available for Linux systems. These include: ksh , tcsh and zsh .