06-Lab-Linux-Bash-Shell.md

Lab - Linux Bash Shell

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1. To check the default shell for the current user. Display the shell for the current user but not necessarily the shell that is running at the movement.

   $ echo $SHELL
   

2. To change the shell for bob from Bash to Bourne Shell

   $ chsh -s /bin/sh bob
   

3. What is the value of the environment variable TERM

   echo $TERM
   

4. Create a new environment variable called PROJECT=MERCURY and make it persistent by adding the variable to the ~/.profile file.

   echo export PROJECT=MERCURY >> ~/.profile
   

5. Which of the following directories is not part of the PATH variable?

   /opt/caleston-code
   

6. Set an alias called up for the command uptime and make it persistent by adding to ~/.profile file.

   echo alias up=uptime >> ~/.profile
   

7. Update Bob's prompt so that it displays the date as per the format below: Example: [Wed Apr 22]bob@caleston-lp10:~$ Make sure the change is made persistent.

   PS1='[\d]\u@\h:\w\$'
   or
   echo 'PS1=[\d]\u@\h:\w$' >> ~/.profile