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 ...

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 ...

For those of you who start to glaze over when we sing the praises of the command line but secretly harbor ninja-like shell mastery ambitions, LinuxCommand.org's got an introduction to the command line ...

If you've used the command line in Linux or a Unix-based platform like macOS, you're probably familiar with the "sudo" command -- it lets you run tasks with different (usually elevated) permissions ...

The UNIX ping command lets you test network servers and latency. Here's how to use it in the macOS Terminal app. The UNIX ping command is a tiny UNIX network tool that allows you to test your network, ...

Ever wish you could take a look at the device aliases on a Solaris system without having to descend all the way down to the ok prompt? Well, you can. By issuing the proper version of the prtconf ...

If your company handles phone marketing and you use Unix or Linux workstations such as Ubuntu PCs, then you have a few tools at your disposal for advertising. One is the "mailx" command, which allows ...

Another problem I’ve seen Unix newbies run into a lot is when they try to loop through files without fully understanding how the for command works. The command for file in /tmp reads like it should ...

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 ...