Memory is still one of the things that most determines how well your Unix servers will perform. Knowing what commands will tell you what you need to know and what their responses mean will help keep ...

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 ...

Command-line Perl scripts can make adminstering a UNIX box easier by replacing certain commands with some routine scripts. Find out how to take advantage of this approach. Perl is everywhere. Most ...

When Apple announced the release of Mac OS X, many Mac users were stunned: here was a new operating system based on the venerable Unix, which, they feared, would call into question the Mac’s legendary ...

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 ...