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On [[Unix-like]] systems, the delete key is usually 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>
On [[Unix-like]] systems, the delete key is usually 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>


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]]+backspace key combination.
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 keyboar bvadd 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]]+backspace key combination.


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.
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.

Revision as of 22:22, 24 December 2010

Delete key on PC keyboard
Delete key on PC keyboard

The delete key (Delete or Del), known less ambiguously as forward delete, performs a function when struck on a computer keyboard during text or command editing, which is to discard the character ahead of the cursor's position, moving all following characters one position "back" towards the freed letterspace. The key appears on IBM-compatible PC keyboards labeled as Delete, or Del. On Mac keyboards, the key which performs this function is labeled del, as the full word delete is reserved for labelling the key otherwise known as Backspace.[citation needed]

On Unix-like systems, the delete key is usually mapped to ESC [3 ~ which is the VT220 escape code for the "delete character" key.[1]

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 keyboar bvadd 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+backspace key combination.

Sometimes this desired effect is replaced by inserting "^H" (or, less frequently, "^?") instead. This is related to ASCII control characters for BS and DEL.

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).

The delete key, on many modern motherboards, also functions to open the BIOS screen when pressed after starting the computer.

References

  1. ^ "9.8 Keyboard configuration". Debian Policy Manual.

See also

Esc F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 PrtScn/
SysRq
Scroll
Lock
Pause/
Break
TildeExclamation markAt signNumber signDollar signPercent signCaretAmpersandAsteriskParenthesisParenthesisUnderscorePlus signBackspaceBacktick1 (number)2 (number)3 (number)4 (number)5 (number)6 (number)7 (number)8 (number)9 (number)0Hyphen-minusEquals signBackspaceTab keyQWERTYUIOPCurly bracketCurly bracketVertical barTab keyQWERTYUIOPSquare bracketSquare bracketBackslashCaps lockASDFGHJKLColon (punctuation)Quotation markEnter keyCaps lockASDFGHJKLSemicolonApostropheEnter keyShift keyZXCVBNMBracketBracketQuestion markShift keyShift keyZXCVBNMComma (punctuation)Full stopSlash (punctuation)Shift keyControl keyWindows keyAlt keySpace barAlt keyWindows keyMenu keyControl key
Insert Home PgUp Num
Lock
Delete End PgDn 7 8 9 +
4 5 6
1 2 3 Enter
   0
   Ins
 . 
Del