1. A hybrid of the original Macintosh operating system and NextStep, based on Mach and FreeBSD and designed as the native system for recent-model Mac hardware.
2. Bad-ass rock-stable OS for people who actually want to get work done and don't want to screw around with drivers for 8000 different chipsets and security holes the size of the Ted Williams Tunnel.
3. Something PC zealots completely deny the existence of.
by Brian X June 22, 2003
Apple's OS that is much better than OS 9. Contrary to popular belief, OS X is NOT based on FreeBSD. It only borrows a couple components. It is based off Darwin OS, another Operating System by Apple. Darwin IS a flavor of UNIX, therefore Mac OS X is based on UNIX, just not based off of FreeBSD UNIX.

It can run simple Windows programs using WINE + Darwine.

Again, contrary to popular belief, OS X is perfect for games.

It can run games like GTA: SA for Windows under Cider without any lag.

Many games have already been ported to OS X - like Call of Duty 4.

Runs both games on a 2010 11" Macbook Air.

Runs slightly worse on a PC/Hackintosh, since most PCs don't have support for Quartz Extreme, a necessary graphics component for watching videos with Quicktime, 3D Animations, Games, etc.
Man, I wish I could play CoD 2 on my Hackintosh, but my graphics card doesn't support QT/QE...


Person 1: Qwegleh! Mac OS X is based on FreeBSD! Aijoobah!

Person 2: Mleehook! Ya, ya, FreeBSD!

(Smart) Person 3: Hey, 'tards! It's based on Darwin, it only borrows some components from FreeBSD.

People 1 & 2: Kweejeemah! Us no like-ey! Us no care-ey! Michcollobunzigha! Us be go now in go machine that go-go vroom!

Person 1: Enchofalgakh!

Person 2: Ufchontingrtagher!

(Smart) Person 3: Whatever.
by OSXTree April 22, 2011
Apple's newest OS running on UNIX. The most stable OS ever, and has won several awards including Time magazine's Software of the Year. Something that makes PC users jealous and feel inferior, so they act like it is terrible.
I owned a PC for 3/4ths of my life, until i bought a Mac with MacOS X, and it has never crashed once.
by cattle April 12, 2004
The best all-in-one solutiuon for any OS. Pretty colours, easy to use, solid, expert options for expert CPU users. FUN.
"Holy shit! All my Unix code runs like a Navajo on Mac OS X."
"I stopped using Windows because I needed a dual Xeon processor just to keep things smooth while I ran four anti-virus/spyware packages in the background, where as, at the moment, I don't have to worry about that with Mac OS X".
by Dr_Faulk November 08, 2005
Something that doesn't make your computer crash. HEAR THAT, PC USERS?
I'm typing this definition on a PC right now. Hopefully it won't cra–
::: Warning! Warning! An error has occurred! Please shut off your computer or your hard drive will be erased :::
Damn it! I know I should have gotten one of those new iMacs with OS X!
by It's easy mm-kay! December 22, 2003
GREATEST FUCKING OPORATING SYSTEM EVER!!! Makes Windows XP look like dogshit... OH WAIT, IT IS!!!
Oh look... I made a Final Cut Pro movie on MacOS X and just downloaded tons of programs in less than 5 minutes. Oh yeah... and my computer didn't crash once! Whats that you say? You say Windows can't do this stuff? Pity... :D
by MMORGPEE October 15, 2005
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