Every Mac OS X computer includes a local Open Directory database — referred to as a domain — that stores information about local user accounts.

What makes a CSV file unique is the way its content is organized. Here's what you need to know about CSV files and how to use them.

Ever lose a file on your Mac? Maybe it was there but now it's gone. If you use macOS Time Machine, recovering a file may require only a few clicks. Here's how to use it to restore an individual file.

Mac OS X comes with a built in firewall that keeps your computer safe, but some apps and services require you to open ports in your firewall. Discover how to open specific ports on your OS X ...

Learn how to quickly check whether the Windows 11/10 OS architecture is 32-bit or 64-bit using Command Prompt or PowerShell.

Learn how to check Memory or RAM usage in Windows 11/10. Find out which process or app is using how much Memory or RAM.