Have you ever wanted to force a script to act differently when it is invoked by cron? If the script is run interactively, for example, you might want the script to prompt the user for some information ...

"It is certainly a tool that every system administrator should be aware of and use to automate mundane routine tasks such as backups and taking applications offline." It's common to need an action ...

Over the years, several Linux commands have been deprecated, either because they are no longer relevant, have security problems, or have ceased to be maintained. You might still be able to use these ...

Occasionally as seasoned Linux users, we run across simple things we never knew existed—and are amazed. Whether it's tab autocompletion, sudo !! for when you forgot to type sudo or even recursive file ...