Common keyboard shortcuts Published July 9, 2010 By 21st Communications Squadron PETERSON AIR FORCE BASE, Colo. -- The 21st Communications Squadron offers computer users the following computer tip. We encourage users to follow these weekly tips to further their computer knowledge. This tip of the week is for common keyboard shortcuts. Here are the most common shortcuts on the keyboard: CTRL+A: Select all the items in the current window CTRL+C: Copy CTRL+X: Cut CTRL+V: Paste CTRL+Z: Undo CTRL+B: Bold CTRL+U: Underline CTRL+I: Italic CTRL+SHIFT+>: Makes the font larger CTRL+SHIFT+<: Makes the font smaller CTRL+ESC: Open Start menu ALT+TAB: Switch between open programs ALT+F4: Quit program SHIFT+DELETE: Delete item permanently To copy a file: press and hold down the CTRL key while you drag the file to another folder.