Question

What does system variable PS1=[\u@\h \W]\$ do?

Answer 1

The system variable PS1=[\u@\h \W]\$ will set a prompt.

• It will set a prompt like -

[username@hostname:~/CurrentWorkingDirectory]$

• Here,

        \u denotes Username

       \h – denotes Hostname

       \w – denotes the Full pathname of the current directory.

• PS1 is a default interactive prompt on Linux that can be modified as shown above to something useful and informative.