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The following example uses getaddrinfo() to resolve the domain name www.example.com into its list of addresses and then calls getnameinfo() on each result to return the canonical name for the address. In general, this produces the original hostname, unless the particular address has multiple names, in which case the canonical name is returned ...
Retrieve text string from messages object with plural form nice: Process management Mandatory Invoke a utility with an altered nice value Version 4 AT&T UNIX nl: Text processing Optional (XSI) Line numbering filter System III nm: C programming Optional (SD, XSI) Write the name list of an object file: Version 1 AT&T UNIX nohup: Process ...
sort lines of text files split: Splits a file into pieces sum: Checksums and counts the blocks in a file tac: Concatenates and prints files in reverse order line by line tail: Outputs the last part of files tr: Translates or deletes characters tsort: Performs a topological sort: unexpand: Converts spaces to tabs uniq: Removes duplicate lines ...
"An array variable containing the names of all shell functions currently in the execution call stack." [120]? Bash Variables: LINENO " ${LINENO} " No "Each time this parameter is referenced, the shell substitutes a decimal number representing the current sequential line number (starting with 1) within a script or function." [121]? Bash ...
The end of the header section is indicated by an empty field line, resulting in the transmission of two consecutive CR-LF pairs. In the past, long lines could be folded into multiple lines; continuation lines are indicated by the presence of a space (SP) or horizontal tab (HT) as the first character on the next line.
The following example shows the first 20 lines of filename: head -n 20 filename. This displays the first 5 lines of all files starting with foo: head -n 5 foo* Most versions [citation needed] allow omitting n and instead directly specifying the number: -5. GNU head allows negative arguments for the -n option, meaning to print all but the last ...
Get shortened URL; Download QR code; Print/export ... It can also be used to list all ... host example.com example.com has address 93.184.216.34 example.com has ...
TXT response example from example.com This is the hex returned as part of the DNS response from example.com when queried for TXT records. 0000 34 48 81 a0 00 01 00 02 00 00 00 01 07 65 78 61 0010 6d 70 6c 65 03 63 6f 6d 00 00 10 00 01 c0 0c 00 0020 10 00 01 00 00 54 5f 00 0c 0b 76 3d 73 70 66 31 0030 20 2d 61 6c 6c c0 0c 00 10 00 01 00 00 54 5f ...