Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and control program flow in scripts.

Shell scripting will make Linux administration a breeze. The Conclusion In this article, you have learned to create a simple Shell script. Now you can create your own scripts in Linux following the ...

Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious.

The Linux script command has been around for ages and provides a simple but useful service. It lets you record command line activity – both input and output.

Jack Wallen shows you a nifty trick for easily starting, stopping, pausing, and resuming your VirtualBox virtual machines on a headless Linux server.