In this post you will be learning how to lock your screen quickly on mac os x when you’re hurrying somewhere and don’t have time to log off or shut down, or some times when you can’t logout or shutdown as some download is going on or due to some other reason.
There are couple of methods to lock your mac os screen quickly which also includes creating a button, which upon clicking, locks the screen.
However, the easiest way to lock the screen is to use the short cut:
control + shift + eject
This works similar to the win+L buttons short cut for windows.
Please let me know if you have queries regarding this method of locking your screen on mac os x (tested on 10.6.x)