In linux system ,we have used grep ,why we also use sed?

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what the difference between grep and sed in Linux

Posted 21-Oct-13 19:22pm

Chan-12

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Sergey Alexandrovich Kryukov 22-Oct-13 1:27am

Who can possible know why do you use it and if you use it at all? I see no sense in this question. If you want to know what is "sed", read about it.
—SA

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-10-21T19:29:00

Please see my comment to the question. The purpose of asking it is totally unclear. What's wrong with just reading some documentation?
Please see:
http://en.wikipedia.org/wiki/Sed[^],
http://www.gnu.org/software/sed/[^].

For more information, please see the links on the Wikipedia page referenced above.

—SA