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Fn is a modifier key, and works like other modifiers keys, such as Ctrl, Shift, Alt and AltGr.For a standard modifier key, the microcontroller inside the keyboard sends a scancode for the modifier itself, which is then interpreted by the operating system and combined with other simultaneous key-presses.
The key has the opposite effect of the End key. In limited-size keyboards where the Home key is missing the same functionality can be reached via the key combination of Fn + ← . Its standard symbol ⇱ from ISO/IEC 9995-7 , i.e. U+21F1 ⇱ NORTH WEST ARROW TO CORNER , is used on some full-size keyboards instead of a possibly localized text label.
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 ...
( Fn+↑ / Fn+↓) PageUp / Ctrl+PageUp / PageDown / Ctrl+PageDown: Scroll selected view to top/bottom Home / End ( Fn+← / Fn+→) Switch focus to the next/previous tab/view within a window Ctrl+Tab ↹: Ctrl+Tab ↹. Ctrl+⇧ Shift+Tab ↹. Ctrl+Tab ↹-> Ctrl+⇧ Shift+Tab ↹ <- Switch focus to the next/previous panel on the desktop
Some non-English language keyboards have special keys to produce accented modifications of the standard Latin-letter keys. In fact, the standard British keyboard layout includes an accent key on the top-left corner to produce àèìòù, although this is a two step procedure, with the user pressing the accent key, releasing, then pressing the letter key.
A Control key (marked "Ctrl") on a Windows keyboard next to one style of a Windows key, followed in turn by an Alt key The rarely used ISO keyboard symbol for "Control". In computing, a Control keyCtrl is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, Ctrl+C).
The End key among other keys. The End key is a key commonly found on desktop and laptop keyboards.The key has the opposite effect of the Home key.In some limited-size keyboards where the End key is missing the same functionality can be reached via the key combination of Fn+→ or Control + End keys
The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low-level commands regardless of the system's state. It is often used to recover from freezes , or to reboot a computer without corrupting the filesystem . [ 1 ]