Every month or two, someone asks me how they should go about learning Unix. The short answer is always “use it” or maybe as much as “use it — a lot.” But the detailed answer includes a lot of steps ...

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

The command to use to display what runs in each run state depends on the version of Linux that you are using – in particular, whether your system depends on the sysvinit start/kill scripts that have ...

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 ...

Click for a PDF with this and four other essential Linux articles. And, if you’ve ever heard anyone say that for Unix, everything is a file, you might not be too surprised to learn that lsof works ...