The echo command is used for printing out information in bash. It will print out the string passed to echo inside the script. You can run this using any of the below two commands. Next, you need to make this file executable using the below command. Then, use an editor like vim or nano to create the file hello-world.sh and copy the below lines into it. It’s a simple program that prints the string “Hello World” to the standard output. Programmers often learn new languages via learning the hello world program. So, try these simple examples yourself to gain the first-hand experience. Learning bash shell scripting will allow you to understand other shell scripts much faster. It is an upgrade of the earlier Bourne shell that was first introduced in Version 7 Unix. Linux Bash Scriptsīash, aka the Bourne Again Shell, is the default command-line interpreter in most Linux distros nowadays. As a result, you’ll find a substantial amount of familiarity between different shell scripts.

However, our editors have also tried to outline some shell script examples that deal with shells other than bash. We’ll mostly stick with Linux bash scripts in our examples due to their widespread popularity and immense usability. However, power users who have specified choices often use other shells such as Zsh and Ksh.

The majority of shell scripting done on Linux involve the bash shell.

Mac shell script example