Here in this article, we will learn how to change your command prompt strings in Linux environment or keep a prompt string of your own choice.

Before we change the command prompt strings, we need to learn the global variables $PS1, $PS2, $PS3, $PS4. Because these are the variable which defines the prompt strings. So lets have a look at short description on them.

• PS1: This is the global variable used to define the main prompt string in linux environmen