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In computing, a keyboard shortcut is a sequence or combination of keystrokes on a computer keyboard which invokes commands in software.. Most keyboard shortcuts require the user to press a single key or a sequence of keys one after the other.
Shortcut keys and key combinations Most keyboards have a row of keys at the top that are labeled F1 through F12. These are like built-in hotkeys, each with an assigned function, like pressing F9 ...
A function key is a key on a computer or terminal keyboard that can be programmed to cause the operating system or an application program to perform certain actions, a form of soft key. [1] On some keyboards/computers, function keys may have default actions, accessible on power-on. A 104-key US English keyboard layout with the function keys in ...
In computing, a keyboard shortcut (also hotkey/hot key or key binding) [1] is a software-based assignment of an action to one or more keys on a computer keyboard. Most operating systems and applications come with a default set of keyboard shortcuts , some of which may be modified by the user in the settings .
The majority of portable computer manufacturers today (including HP, Dell, and Samsung) currently place the Fn key between the left Control key and the left Windows key, making it the second key from the left on the bottom row of the keyboard. This usually means that the Control key is reduced in size, but allows it to remain in the lowest-left ...
The Alt key is well known as part of the key combinations: Ctrl+Alt+Delete may restart the computer (its original function); in some operating systems it brings up a task manager - see Control-Alt-Delete. Alt+⌘ Cmd+Esc (often referred to as ⌘ Cmd+⌥ Opt+Esc.) brings up the Force Quit window in Apple's macOS, see Option key.
Laptops and wireless peripherals often lack duplicate keys and ones seldom used. Function- and arrow keys are nearly always present. Another factor determining the size of a keyboard is the size and spacing of the keys. The reduction is limited by the practical consideration that the keys must be large enough to be easily pressed by fingers.
In computing, a modifier key is a special key (or combination) on a computer keyboard that temporarily modifies the normal action of another key when pressed together. By themselves, modifier keys usually do nothing; that is, pressing any of the ⇧ Shift , Alt , or Ctrl keys alone does not (generally) trigger any action from the computer.