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sed ("stream editor") is a Unix utility that parses and transforms text, using a simple, ... Unix sed(1) manual page; GNU sed documentation or the manual page;
The man page for the sed utility, as seen in various Linux distributions. A man page (short for manual page) is a form of software documentation found on Unix and Unix-like operating systems. Topics covered include programs, system libraries, system calls, and sometimes local system details. The local host administrators can create and install ...
This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.
The standard Unix tools sed and awk provide extra capabilities for shell programming; ... (osh), whose manual page states it "is an enhanced, ...
ed (pronounced as distinct letters, / ˌ iː ˈ d iː /) [1] is a line editor for Unix and Unix-like operating systems. It was one of the first parts of the Unix operating system that was developed, in August 1969. [2] It remains part of the POSIX and Open Group standards for Unix-based operating systems, [3] alongside the more sophisticated ...
In Unix-like computer operating systems, a pipeline is a mechanism for inter-process communication using message passing. A pipeline is a set of processes chained together by their standard streams , so that the output text of each process ( stdout ) is passed directly as input ( stdin ) to the next one.
Using -0 for xargs deals with the problem, but many Unix utilities cannot use NUL as separator (e.g. head, tail, ls, echo, sed, tar-v, wc, which). But often people forget this and assume xargs is also line-oriented, which is not the case (per default xargs separates on newlines and blanks within lines, substrings with blanks must be single- or ...
Many early versions of Unix and Plan 9 did not have this command, and documentation and books used sed instead: sed 5q filename. The example prints every line (implicit) and quits after the fifth. Equivalently, awk may be used to print the first five lines in a file: awk 'NR < 6' filename