Last month, we looked at signals, the rudimentary mechanism that processes on a Linux box can use to communicate events and state changes. We talked about how each of the signals can be sent manually ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t pres… ...

Press CTRL+C to stop the running Linux script if it does not terminate gracefully; The steps described above are manifest in the following six commands: $ mkdir scripts $ cd scripts $ touch script.sh ...

exit # exit script else sleep 60 fi done. If you want to exit the loop instead of exiting the script, you can use a break command instead of an exit command as shown in the example below.

Shell scripts are not compiled — at least, not typically — so the shell only reads what it needs to do the work. That means if your script is careful to exit, you can add as much “garbage ...

exit 0 fi At this point in our shell script writing journey, I certainly hope you can read that rather cryptic conditional statement and understand what it does. Ultimately, it's a bit of work to ...