is the name of a UNIX command, executable program, or shell script to which you want to route output or from which you want to read input. The command(s) must be enclosed in either double or single ...

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 ...

When Apple announced the release of Mac OS X, many Mac users were stunned: here was a new operating system based on the venerable Unix, which, they feared, would call into question the Mac’s legendary ...

There are quite a few ways to send email from the Unix command line and so many good reasons for doing so. You might want to provide feedback on automated processes so that you and fellow admins know ...

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 ...

Secure Copy is a UNIX standard used to transfer files from one computer to another. He's how to use the function in macOS, all via the Terminal window. Before personal computers, there were mainframe ...