Delete key: Difference between revisions
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[[Image:Key delete.jpg|right|70px|Delete key on PC keyboard]] |
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The '''delete key''', known less ambiguously as ''forward delete'', ''Del'', or ''⌦'', performs a function when struck on a [[computer keyboard]] during text or command editing which discards the character ahead of the [[cursor (computers)|cursor]]'s position, moving all following characters one position "back" towards the freed place. The key appears on [[IBM PC keyboard|IBM-compatible PC keyboards]] labeled as ''Delete'', or ''Del''. On [[Apple keyboard|Mac keyboard]]s, the key which performs this function is labeled ''del'' and ''⌦'', as the full word ''delete'' is reserved for labelling the key otherwise known as [[Backspace]]. |
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The delete key may generate the [[ASCII]] delete character, 7F hex (127 decimal), which reflects its history in 7-bit [[paper tape]]. If a character was punched erroneously, punching out all seven bits caused it to be ignored (or deleted). Unix retained the Delete key as the way to erase characters, while DOS/Windows used the backspace (0x08, or control-H) instead. The delete key may also be mapped to ESC [3 ~ which is the [[VT220]] escape code for the "delete character" key.<ref>{{cite web | title=9.8 Keyboard configuration | work=Debian Policy Manual | url=http://www.debian.org/doc/debian-policy/ch-opersys.html#s9.8}}</ref> |
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On many a notebook computer keyboard, the key labeled Delete (sometimes Delete and Backspace are printed on the same key) serves the same purpose as a Backspace key. Othertimes, the Delete Key is in its original IBM notebook position of above and to the right of the Backspace key. Many laptops, to add keys on a non-standard size keyboard add rows of smaller keys above the Function Key line. On this line, the Delete Key is often the third key in from the right. On [[Apple Inc.]]'s line of laptops (notably the [[MacBook]] and [[MacBook Pro]]), the function of the delete key can be achieved using the [[Fn key|Fn]]+delete key combination. |
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Sometimes this desired effect is replaced by inserting "^H" (or, less frequently, "^?") instead. This is related to [[ASCII code#ASCII control characters|ASCII control characters]] for BS and DEL. |
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Also, the delete key often works as a generic command to remove an object (such as an image embedded in a document, or a file in a [[file manager]]). |
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The delete key, on many modern motherboards also functions to open the [[BIOS]] screen, when pressed after starting the computer. |
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==References== |
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<references/> |
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==See also== |
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* [[Control-Alt-Delete]] |
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{{Keyboard}} |
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{{keyboard keys}} |
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{{DEFAULTSORT:Delete Key}} |
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[[Category:Computer keys]] |
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[[cs:Klávesa Delete]] |
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[[de:Entfernen (Taste)]] |
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[[fr:Touche supprimer]] |
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[[ja:削除キー]] |
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[[pl:Delete (klawisz)]] |
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[[pt:Delete]] |
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[[ru:Delete (клавиша)]] |
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