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 ...

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 ...

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 ...

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 ...

Ever wondered why programming in Bash is so difficult? Bash employs the same constructs as traditional programming languages; however, under the hood, the logic is rather different. The Bourne-Again ...

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 ...

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 ...

One can take advantage of using default submission scripts via NoMachine and pre-defined Unix command wrappers. When using NoMachine, the default submission scripts run in the background and the ...

The Terminal app in macOS keeps track of recent commands you've used so you can reuse them at a later time. Here's how to clear Terminal's command history. When you type commands and press return in ...