to undo on a mac computer, you have to go to edit and press undo. or go to file and press undo. forgot which one.
press control, option, command and the number 8. press them again to undo it
Assuming you do not have a backup/Time Machine archive of the Mac before it was messed up... Insert the Mac OS X installation disc and hold down the C key while the Mac starts up. This will boot the Mac from the installation disc. Undo what you did to change the Mac Login screen. You kept a copy of the original files didn't you?
To undo an error in most software applications, you typically use the "Ctrl + Z" keyboard shortcut on Windows or "Command + Z" on Mac. This command reverses the last action taken, allowing you to correct mistakes quickly. Some applications also have an "Undo" option in the Edit menu for those who prefer using the mouse.
do means you do it and undo means to undo or get ride of it
redo-is when you do sometyhing over! undo-is when u undo something
There is no full form.. it is opposite for do...
Pressing F12 typically opens the Developer Tools in web browsers. To undo this action, you can simply close the Developer Tools window by clicking the "X" in the corner or pressing F12 again. Alternatively, you can also use the keyboard shortcut Ctrl+Shift+I (or Cmd+Option+I on Mac) to toggle it off.
Undo is a verb.
You can't undo algebra, you just can do it.
No, "undo" is not a noun. It is a verb that means to reverse or cancel something.
I hate to break it to you, but formatting a drive completely erases all data. There is a chance you can get your data back with a tool like http://www.ptdd.com/datarecovery/format-drive-recovery.htm
Stacks in Mac OS X Leopard is a feature of the Dock allowing quick access to the contents of a folder.stack is used in many applicationlike- undo-redo, function call etc.....