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 ...

Unix was developed as a command line interface in the early 1970s with a very rich command vocabulary. DOS followed more than a decade later for the IBM PC, and DOS commands migrated to Windows.

To get started as a Linux (or Unix) user, you need to have a good perspective on how Linux works and a handle on some of the most basic commands. This first post in a “getting started” series examines ...

Lifehacker reader Michael writes in with a nifty tip that was lurking in our comments all along, but deserves to see the bright light of posting. If you're already using the Unix-like Cygwin, it's an ...

Maybe you're married to Microsoft Exchange, but you secretly pine for open-source e-mail tools like SpamAssassin or fetchmail. Or maybe you're using Unix-based applications for some network services, ...

A lot of information is available about individual files on a Unix system. For example, the ls -l command will display the permissions matrix and ls -i will display a file’s inode. But, if we want to ...

In the world of Unix-based operating systems like Linux, file packaging and compression utilities play a pivotal role. One such utility is the zip command, an effective tool for compressing files to ...

The command-line interface of your Mac lets you get into the Unix underpinning that makes Macs so powerful. Learn the top commands everyone should know to be a Mac power user. Over the years, the Mac ...