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 ...

It's not hard to create and run a shell script in Linux distros like Ubuntu, but there are a few non-obvious pitfalls you need to avoid. Here's a quick example of how to execute a script in Linux.

At times, we need to write shell scripts that are interactive and user executing them need to monitor the progress. For such requirements, we can implement a simple progress bar that gives an idea ...

I'm a newbie trying to write a SysV init script for ipfm in RedHat 9. Looking at all the RedHat-installed scripts for services such as httpd and sshd, it appears that RedHat has the scripts ...