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[3] [4] Devices may not have a dedicated Reset button, but have the user hold the power button to cut power, which the user can then turn the computer back on. [5] Out-of-band management also frequently provides the possibility to reset the remote system in this way.
This did not work for characters not in the Windows Code Page (such as box-drawing characters). The new Alt+0### combination (which prefixes a zero to each Alt code), produces characters from the newer "Windows code pages." [a] For example, Alt+ 0 1 6 3 yields the character £ (symbol for the pound sterling) which is at 163 in CP1252. [2] [b]
Historically, the addition of two Windows keys and a menu key marked the change from the 101/102-key to 104/105-key layout for PC keyboards. [2] Compared to the former layout, a Windows key was placed between the left Ctrl and the left Alt and another Windows key and the menu key were placed between the right Alt (or AltGr) and the right Ctrl key.
Thus, the Alt key is a modifier key, used in a similar fashion to the Shift key. For example, simply pressing A will type the letter 'a', but holding down the Alt key while pressing A will cause the computer to perform an Alt+A function, which varies from program to program. The international standard ISO/IEC 9995-2 calls it Alternate key.
In computing, the menu key (≣ Menu), or application key, is a key with the primary function to launch a context menu with the keyboard rather than with the usual right-mouse button. [1] It was previously found on Microsoft Windows -oriented computer keyboards and was introduced at the same time as the Windows logo key .
For example, the key labelled "Backspace" typically produces code 8, "Tab" code 9, "Enter" or "Return" code 13 (though some keyboards might produce code 10 for "Enter"). Many keyboards include keys that do not correspond to any ASCII printable or control character, for example cursor control arrows and word processing functions.
Historically, the phrase "ANSI Code Page" was used in Windows to refer to non-DOS encodings; the intention was that most of these would be ANSI standards such as ISO-8859-1. Even though Windows-1252 was the first and by far most popular code page named so in Microsoft Windows parlance, the code page has never been an ANSI standard.
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 ]