We've shown you one way to lock your Mac with a keyboard shortcut, but if you'd like to do so using your own custom keyboard shortcut, reader Scott shows us an alternative method.

Ctrl + M: Enter Mark mode (allows you to select text with mouse). Once Mark mode is enabled, you can use the arrow keys to move the cursor around. Shift + Up or Down: Move cursor up or down one line ...

Press a few buttons, and you can accomplish hundreds of computer tasks, from simple to sophisticated, without taking your hands off the keyboard ...

Apple keyboard shortcuts can make you more productive and efficient. Here are some of the most useful keyboard shortcuts for macOS. One of the most useful tools in the quest for productivity in office ...

Windows hotkeys—when you press two or more keys at once to tell your computer to do something specific—are your, well, key to saving time when you’re at your computer. Once you have them memorized, ...

If you work with any kind of sensitive material—from trade secrets to love letters—you’ve probably wished for a way to block access to your Mac the minute you stand up. There are many ways to do this, ...

Matt Elliott is a senior editor at CNET with a focus on laptops and streaming services. Matt has more than 20 years of experience testing and reviewing laptops. He has worked for CNET in New York and ...