Introduction to Mac OS X

Why use Mac OS X?

• stability - Mac OS X is the most stable version of the Macintosh operating system ever created. Crashes and freezes which you may have experienced with earlier versions are a thing of the past.
• productivity - Mac OS X's multi-tasking capabilities run circles around Mac OS 9. It has the ability to manage computer resources so your computer is still responsive to you no matter what tasks it's performing (even such tasks as burning CDs and compressing video).
• control - Mac OS X provides you with more control over your computer and your applications. Mac OS X gives you the ability to force-quit tasks that have stalled.
• compatibility - many applications have been updated to versions that will not run if you do not have MacOS X.

How is it so different?

• Mac OS X is based on BSD UNIX. This means:
  • it has pre-emptive multi-tasking - meaning no single application can monopolize the computer's resources
  • it has protected memory - meaning applications can't interfere with the operation of each other (the biggest cause of crashes)
  • it is multi-user in nature - meaning every user of a computer can have their own personal and secure storage space
• Mac OS X uses the Aqua user interface. This means:
  • buttons have a jelly/candy-like appearance
  • Mac OS X applications have greater access to imaging capabilities which are built into the operating system, such as print previews and the ability to create PDF files
  • the Apple menu has been replaced by the Dock

What happens to Mac OS 9?

• Mac OS 9 stays on your computer to provide the "Classic" environment, which allows you to run most of your old applications designed for older versions of the Mac OS.
• In some cases, you will still have the ability to boot your computer up in Mac OS 9, though this is generally not needed

Will I still be able to use application 'XYZ' which works in Mac OS 9?

• Mac OS 9 applications run in the "Classic" environment, which acts sort of like a shell allowing older applications to run.
• Some applications are "Carbonized" and run natively under both 9 and X.
• Some applications run in Mac OS X only.
• Some applications written for older versions of the Mac OS may not work if they access computer hardware or peripherals directly rather than talking to them through the operating system. An example of this is the "SoundEdit" audio-editing application.

What's up with having to log into my Mac?

Since Mac OS X is based on BSD UNIX, which was designed as a multi-user computer operating system allowing many people to share a single computer, there is at least one "user account" on a Mac OS X computer. This has the benefit of providing an easy way to secure access to the contents of your computer. The password-protected screensaver allows you to easily secure your computer from prying eyes while you are away from your desk.

Will Mac OS X run on my computer and how do I get it?

Mac OS X requires a Power Macintosh G3 or better (any Macintosh 5 yrs old or newer), a minimum of 128 MB of RAM and 1.5 GB of hard disk space on your computer. IT Services recommends a minimum of a Power Macintosh G4 with 256 MB of RAM and 10 GB of hard disk space. Contact us for assistance in deciding whether Mac OS X is right for you and arranging for installation.

Apple's Mac OS X website

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