Autosave and Versions are integral parts of Mac OS X and cannot be disabled. If you do not want a document to be autosaved you use the Duplicate option (from the File menu or clicking on the name at he top of the window) you are then asked if you want to save it or not while the original remains untouched.
Yes, you can. The UFO202 is compatible with all versions of OSX.
You can use Photoshop CS3, CS4 and CS5 with Mac OS X 10.7 (Lion). Adobe reports that Droplets will not work but they are working on a fix for that.
Mac OS X 10.7 (Lion) was created by a team of programmers at Apple.
Apple's Mac OS X. OS X Lion OS X Panther OS X Leopard etc.
Mac "Lion" and Mac "Snow Leopard" refer to iterations of Apple's Mac OS X (operating system, version 10). "Lion" is the newest as of this writing, and is version 10.7, while "Snow Leopard" is its immediate predecessor, and is version 10.6.
Quit the emulator. The cheat will naturally disable.
you can disable it
The Mac OS comes free with a Mac. New versions have a small charge.
Mac OS X 10.7 (Lion) will be available in the summer 2011 (See links below).
Mac OS X Lion will be release some time in July of 2011. UPDATE: Mac OS X Lion will be released ONLY on the Mac App Store no DVD's on July 14th, 2011
Eat your mac
The latest is Mac OSx 10.8.3 Mountain Lion as of 3/18,2013.