Bash shell environment variable

There are several environment variables in bash shell among them few are listed below

echo $PWD ———This will print the current directory

echo $SHELL ——-This will print the shell details

echo $PS1 —-Print the Prompt

echo $PATH —This will print the search path

We can set these environmental variable in the shell using below commands.

export PS1=’lab01> ‘ –This will set the prompt as lab01>