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Unix is a computer operating system that was developed in the 60’s and 70’s at AT&T’s Bell Labs. It was designed as a robust, multi-user, multi-tasking operating system and has historically been popular on large mainframe systems at universities and governments.

Since then, many variants have descended from the first Unix, including Linus Torvald’s college project Linux. Unix was originally spelled “UNICS”, an acronym for Uniplexed Information and Computing System.

Mac OS X is built on a version of Unix called FreeBSD, which means that every modern Mac inherits the strength of a powerful, time-tested operating system. FreeBSD is widely regarded as one of the most secure operating systems. Apple combines this with a beautiful interface. Mac OS X is like the engine of a classic muscle car in a shiny, modern body.

Further reading:
Apple: Solid as a Rock
Wikipedia: Unix
The Unix family tree (diagram)

Is anything unclear? I’ll explain!

I’m excited to launch FreeMacUnix, a website all about using Unix on a Mac. You may have noticed the Terminal application in your Utilities folder and wondered what it was. Through Terminal you can access the powerful Unix operating system that powers every Mac. On this blog I’ll teach you what Unix is, how to use it, and how Unix shortcuts can make your life easier. I’ll start at the very beginning — no prior knowledge required — so I hope you’ll join me!