Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

A terminal is an application on Unix-based operating systems that provides a command-line interface (or CLI), so you can interact with the operating system’s shell and access/control its different ...

An operating system that is directed by entering text commands. DOS is an example of a widely used command line operating system. See DOS and command line. THIS DEFINITION IS FOR PERSONAL USE ONLY.

Mac OS X 10.5 includes a number of changes to its Unix core, perhaps more than in any prior OS X release. Many of the changes are routine—updated versions of key Unix programs such as the bash shell ...

CISA and the FBI urged software companies on Wednesday to review their products and eliminate path OS command injection vulnerabilities before shipping. Velvet Ant, the Chinese state-sponsored threat ...

The US government has urged software manufacturers to work towards the elimination of operating system (OS) command injection vulnerabilities. The alert from the Cybersecurity and Infrastructure ...

The Cybersecurity and Infrastructure Security Agency (CISA) and the FBI have released a critical alert urging software developers to focus on removing weaknesses that allow unauthorized users to run ...

OS X offers a very nice graphical user interface to verify and repair your hard drive, located in the Utilities folder. It’s called Disk Utility, and you can use it as the first line of defense when ...

How the top VPNs compare: Plus, should you try a free VPN? We tested the best VPN services -- focusing on the number of servers, ability to unlock streaming services, and more -- to determine a No. 1 ...

In the event of a serious problem with your Mac, you may need to reinstall your Mac operating system. There’s a simple way to do this using your Mac Recovery partition or via Mac Internet Recovery.