Delete Backs up to erase one character. Backspace Mapped as a backspace key, displaying ^H. Ctrl-u Erases the command line. Ctrl-w Erases the last word on the command line. Ctrl-s Stops flow of output ...

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 ...

If you find your thrill delving into the networking side of Unix, you'll find that there are lots of commands to give you all the insights you might want. I will never forget my first ping. Working on ...

Everybody talks about computer security as if the term had a clear meaning, but it doesn't. So, to be clear, what I mean by it here is the maintenance of information integrity in a system - something ...

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 ...

Given the comments and questions I’ve received since last week’s column on using rsync to move a file system from one disk to another, I thought we might run through some simple exercises to gain more ...

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.