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How to Use the chmod Command on Linux

Control who can access files, search directories, and run scripts using the Linux’s chmod command. This command modifies Linux file permissions, which look complicated at first glance but are actually pretty simple once...

What to Do When Your Mac Won’t Shut Down

Macs are like any other computer. Sometimes they won’t start up, and sometimes they won’t shut down. If your Mac is refusing to shut off, here’s how to shut it down anyway—and, hopefully, permanently f...

How to Get Help in Windows 10

Windows 10 has a built-in Get Help app that will offer solutions to problems and even connect you to a human support person. That’s just one of Windows 10’s convenient built-in support options....
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