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 ...

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.

The 'sudo' keyword in Unix and Linux allows users to execute certain commands with special-access privileges that cannot otherwise run on a given machine by a user with a lower level of clearance.

Last week’s column introduced NTP, the Network Time Protocol and the concept of highly accurate timekeeping. While numerous commands exist to help system administrators maintain fairly accurate time ...

Community driven content discussing all aspects of software development from DevOps to design patterns. When you run your own executable command or shell script on Linux, you must prepend ./ to the ...

We might all agree on the command line, but start talking about Linux, and we might find that the rules of how to pronounce the names of Unix commands are not universal. I didn’t even stop to imagine ...

Columnist Dave Taylor reminisces about the early days of UNIX and how Linux evolved and grew from that seed. Twenty five years of Linux Journal. This also marks my 161st column with the magazine too, ...

UNIX V4, the first ever version of the UNIX operating system in which the kernel was written in the then-new C programming ...