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Learn sed command to create, edit and manipulate files in Linux

Dec 27, 2015, 18:00 (0 Talkback[s])
(Other stories by Ravi Saive)

Linux treats the input to and the output from programs as streams (or sequences) of characters. To begin understanding redirection and pipes, we must first understand the three most important types of I/O (Input and Output) streams, which are in fact special files (by convention in UNIX and Linux, data streams and peripherals, or device files, are also treated as ordinary files).

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