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Apple: Mac Os X Keyboard Shortcuts
Mac OS X is the popular operating system that has been sold with Apple Macintosh computers since 2002. This site provides an extensive list of keyboard shortcuts that perform special operating system tasks.
Computer Hope
Computer Hope: Apple Computer Shortcut Keys
Shortcut keys help provide an easier and usually quicker method of navigating and using computer software programs. Here is a listing of Apple Mac OS keyboard shortcuts.
Computer Hope
Computer Hope: Tips Relating to Linux and Unix
A listing of various tips that can be used with most Linux and UNIX.