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 ...

Who know it would be so easy to create programs from the command line?

It’s easy to take the Unix command line for granted. That is, it’s easy to get used to typing in commands and getting responses without thinking very much about how the system determines what command ...

Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

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 ...

If you’re a Unix admin, it helps to know how password aging is managed and how you can determine when a password was last changed or force a change in the near future. The key to understanding how ...

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 ...

It’s been nearly 20 years since I first came across the Useless Use of Cat (UUOC) awards. Unix notable and Perl disciple Randall Schwartz had begun handing out these embarrassing awards around 1995 to ...