If you administer multiple Linux servers, Jack Wallen has an easy script you can use to run commands on all of those servers at once.

How to Run a Command on Startup in Linux. One of Linux's strengths as an operating system is its ability to be configured and tweaked to suit your tastes. Using the command line allows you to ...

How the true and false commands work, and how to put them to use on the command line and in scripts.