Linux File processing Tools

File View commands: Cat, tar, rev

One, cat [option] ... [File] ...

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-A: Show all control characters

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-B: Non-empty line number

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-E: Display line terminator $

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-N: Numbering each line displayed

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-S: Compress consecutive blank lines into a row

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#======================

Reverse display of TAC lines

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Reverse display of Rev column

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NL Add line number equals Cat-b F2

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This article from "Linux-mylog" blog, declined reprint!

Linux File processing Tools