Mac OS X useful tips and tricks for users

It is always good to know about different tips and tricks of anything. When it comes to tips or tricks about Mac OS X then it is really exciting. Following are some really useful Mac OS X tips and tricks:

F11 or Command-F3
This will swish all the windows out of the way temporarily so we can see the desktop.
Command-M
To minimize the current window.
Command-Option-M
To minimize all windows of the app in focus.
Command-Option-ESC
Force quit application popup