What is shell script in Linux with example?

A bash (or shell) script is basically a program that allows the user to interact with the UNIX/Linux system by writing executable shell commands in a simple text file.

What is in Linux shell script?

A shell script is a text file that contains a sequence of commands for a UNIX-based operating system. … Users initiate the sequence of commands in the shell script by simply entering the file name on a command line. In the DOS operating system, a shell script is called a batch file.