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In computing, redirection is a form of interprocess communication, and is a function common to most command-line interpreters, including the various Unix shells that can redirect standard streams to user-specified locations. The concept of redirection is quite old, dating back to the earliest operating systems (OS).
A metatemplate for redirect category templates. Don't transclude this template directly. Template parameters [Edit template data] Parameter Description Type Status Name of rcat template id The actual name of the rcat template Example R from example Template required Rcat template name to display name The name of the rcat template as it is displayed Example From an example String required From ...
rc (for "run commands") is the command line interpreter for Version 10 Unix and Plan 9 from Bell Labs operating systems. It resembles the Bourne shell , but its syntax is somewhat simpler. It was created by Tom Duff , who is better known for an unusual C programming language construct (" Duff's device ").
Process substitution can also be used to capture output that would normally go to a file, and redirect it to the input of a process. The Bash syntax for writing to a process is >(command). Here is an example using the tee, wc and gzip commands that counts the lines in a file with wc -l and compresses it with gzip in one pass:
m4 is a general-purpose macro processor included in most Unix-like operating systems, and is a component of the POSIX standard. The language was designed by Brian Kernighan and Dennis Ritchie for the original versions of UNIX. It is an extension of an earlier macro processor, m3, written by Ritchie for an unknown AP-3 minicomputer. [1]
See Template:Man/die.net for an example; see Template:Man/FreeBSD for a demonstration of varying the attribution by manual section. Internals Template:man handles choosing the default source and calling it for URL and attribution; the default source is Template:man/default , which is a template redirect currently to Template:man/SUS .
[[Category:Redirect templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Redirect templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.
Help:Redirect is a how-to page that focuses on the technical aspects of redirects. It instructs editors on how redirects work and how to handle them without causing errors. R template index contains a large list of templates that are used in order to tag and categorize redirects.