Keyboard shortcut for locking screen

Question

Possible Duplicate:
Is there a keystroke that can lock the Mac OS X screensaver?

Is there a keyboard shortcut for locking my screen?

Answer 1

Here's another way that does not require additional software: Go to System Preferences - Security - Require password immediately after sleep or screen saver begins.

You can then use ctrl-shift-eject to sleep your monitor, and a password will be required to bring it back.

Answer 2

Try Macloc, and then assign it a keyboard shortcut

About MacLoc This simple application activates the Fast User Switching feature built-in to Mac OS X. After clicking on MacLoc, it will appear that you’ve logged out, however upon entering your username and password, all open documents and applications will be right where you left them. MacLoc is the perfect solution when you need to step out of the room for a moment.

Answer 3

Here is a guide on how to do it: How to lock your Mac with a keyboard shortcut.

Answer 4

If you're using Windows XP, press the Windows logo key + L to lock your computer.