100 Computer Tips in 100 Days
Tip #91 - Three Finger Salute
The three-finger salute refers to the original
PC-compatible system command to reboot or restart a computer by pressing three
keys simultaneously: Control, Alt and Delete. The 
When a program freezes or “hangs up” on your computer,
you might not want to restart the whole computer but only the one program that
isn’t responding. Using Ctrl+Alt+Delete will result in a selection of choices
that varies by the version of the operating system you’re using. One of the
choices will be “Start Task Manager”. This is a good starting point to identify
what programs are running and which might have gotten “stuck”. Click on the troublesome program in the list
and then click the End Task button. Now you have to be patient. Clicking End
Task multiple times does not make the computer respond quicker, in fact just
the reverse is true. Multiple clicks slow down the process. You may get a another
window saying the program is not responding. Just ignore it. If the program
does not end in five minutes, you have my permission to choose Restart from the
start button or hold down the power button and turn your computer off.
Ctrl+Alt+Delete is not a keyboard shortcut for anything
on the Apple. However, in Mac OS X Server logon screen,
pressing Control+⌥ Option+Delete (the Option key is the
equivalent of Alt key on a Mac keyboard) will show an alert saying "This
is not DOS." Now who says programmers don’t have a sense of humor?
The Apple system does have something comparable to the
Task Manager for programs that will not Quit. ⌥Option+⌘Command+Esc will force
quit applications.
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