I’ve heard that those who can’t remember history are condemned to repeat it but for Unix users, repeating history is not only advantageous, it’s something of a skill. When working on the command line, ...

When you enter commands in the Terminal, they are saved in a history that you can scroll through by pressing the up and down arrows. This tip prevents the same item from being saved to the history ...

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 ...