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- Null_character abstract "The null character (also null terminator), abbreviated NUL, is a control character with the value zero.It is present in many character sets, including ISO/IEC 646 (or ASCII), the C0 control code, the Universal Character Set (or Unicode), and EBCDIC. It is available in nearly all mainstream programming languages.The original meaning of this character was like NOP—when sent to a printer or a terminal, it does nothing (some terminals, however, incorrectly display it as space). When electromechanical teleprinters were used as computer output devices, one or more null characters were sent at the end of each printed line to allow time for the mechanism to return to the first printing position on the next line. On punched tape, the character is represented with no holes at all, so a new unpunched tape is initially filled with null characters, and often text could be \"inserted\" at a reserved space of null characters by punching the new characters into the tape over the nulls.Today the character has much more significance in C and its derivatives and in many data formats, where it serves as a reserved character used to signify the end of a string, often called a null-terminated string. This allows the string to be any length with only the overhead of one byte; the alternative of storing a count requires either a string length limit of 255 or an overhead of more than one byte (there are other advantages/disadvantages described under null-terminated string).".
- Null_character wikiPageExternalLink Null-Byte-Injection.
- Null_character wikiPageExternalLink common-php-attacks-poison-null-byte.
- Null_character wikiPageID "338161".
- Null_character wikiPageLength "6697".
- Null_character wikiPageOutDegree "37".
- Null_character wikiPageRevisionID "707855834".
- Null_character wikiPageWikiLink ASCII.
- Null_character wikiPageWikiLink C0_and_C1_control_codes.
- Null_character wikiPageWikiLink C_(programming_language).
- Null_character wikiPageWikiLink Caret_notation.
- Null_character wikiPageWikiLink Category:Computer_security_exploits.
- Null_character wikiPageWikiLink Category:Control_characters.
- Null_character wikiPageWikiLink Category:Nothing.
- Null_character wikiPageWikiLink Character_encoding.
- Null_character wikiPageWikiLink Computer_terminal.
- Null_character wikiPageWikiLink Control_character.
- Null_character wikiPageWikiLink EBCDIC.
- Null_character wikiPageWikiLink Em_(typography).
- Null_character wikiPageWikiLink Escape_sequence.
- Null_character wikiPageWikiLink Escape_sequences_in_C.
- Null_character wikiPageWikiLink IEC_646.
- Null_character wikiPageWikiLink Improper_input_validation.
- Null_character wikiPageWikiLink NOP.
- Null_character wikiPageWikiLink Null-terminated_string.
- Null_character wikiPageWikiLink Percent-encoding.
- Null_character wikiPageWikiLink Printer_(computing).
- Null_character wikiPageWikiLink Programming_language.
- Null_character wikiPageWikiLink Punched_tape.
- Null_character wikiPageWikiLink Source_code.
- Null_character wikiPageWikiLink Space_(punctuation).
- Null_character wikiPageWikiLink String_(computer_science).
- Null_character wikiPageWikiLink String_literal.
- Null_character wikiPageWikiLink Teleprinter.
- Null_character wikiPageWikiLink UTF-8.
- Null_character wikiPageWikiLink Unicode.
- Null_character wikiPageWikiLink Uniform_Resource_Locator.
- Null_character wikiPageWikiLink Universal_Coded_Character_Set.
- Null_character wikiPageWikiLink Vulnerability_(computing).
- Null_character wikiPageWikiLinkText "NUL character".
- Null_character wikiPageWikiLinkText "NUL characters".
- Null_character wikiPageWikiLinkText "NUL terminator".
- Null_character wikiPageWikiLinkText "NUL".
- Null_character wikiPageWikiLinkText "NULL".
- Null_character wikiPageWikiLinkText "Null character".
- Null_character wikiPageWikiLinkText "Null character#Representation".
- Null_character wikiPageWikiLinkText "Null".
- Null_character wikiPageWikiLinkText "U+0000".
- Null_character wikiPageWikiLinkText "null byte".
- Null_character wikiPageWikiLinkText "null bytes".
- Null_character wikiPageWikiLinkText "null character".
- Null_character wikiPageWikiLinkText "null terminator".
- Null_character wikiPageWikiLinkText "null".
- Null_character wikiPageWikiLinkText "null-terminated".
- Null_character wikiPageUsesTemplate Template:!.
- Null_character wikiPageUsesTemplate Template:Citation_needed.
- Null_character wikiPageUsesTemplate Template:Keypress.
- Null_character wikiPageUsesTemplate Template:Nulls.
- Null_character wikiPageUsesTemplate Template:Other_uses.
- Null_character wikiPageUsesTemplate Template:Reflist.
- Null_character wikiPageUsesTemplate Template:Unicode.
- Null_character subject Category:Computer_security_exploits.
- Null_character subject Category:Control_characters.
- Null_character subject Category:Nothing.
- Null_character hypernym Character.
- Null_character type FictionalCharacter.
- Null_character type Character.
- Null_character type Exploit.
- Null_character type Redirect.
- Null_character comment "The null character (also null terminator), abbreviated NUL, is a control character with the value zero.It is present in many character sets, including ISO/IEC 646 (or ASCII), the C0 control code, the Universal Character Set (or Unicode), and EBCDIC. It is available in nearly all mainstream programming languages.The original meaning of this character was like NOP—when sent to a printer or a terminal, it does nothing (some terminals, however, incorrectly display it as space).".
- Null_character label "Null character".
- Null_character sameAs Q861529.
- Null_character sameAs Nullzeichen.
- Null_character sameAs ヌル文字.
- Null_character sameAs 널_문자.
- Null_character sameAs Null_character.
- Null_character sameAs NULL_(znak).
- Null_character sameAs Caractere_nulo.
- Null_character sameAs m.01xrkj.
- Null_character sameAs Q861529.
- Null_character sameAs 空字符.
- Null_character wasDerivedFrom Null_character?oldid=707855834.
- Null_character isPrimaryTopicOf Null_character.