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Redirection (computing)
Return to Redirection, Redirect, Redirecting, Redirect Message, Redirection (computing), URL redirection (URL shortening), Wiki redirection (DokuWiki redirection - MediaWiki redirection)
- Snippet from Wikipedia: Redirection (computing)
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 discussion of the design goals for redirection can be found already in the 1971 description of the input-output subsystem of the Multics OS. However, prior to the introduction of UNIX OS with its "pipes", redirection in operating systems was hard or even impossible to do.
In Unix-like operating systems, programs do redirection with the dup2(2) system call, or its less-flexible but higher-level stdio analogues, freopen(3) and popen(3).
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