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zegrep command

zcommands: Read gzip Compressed Text Files On a Fly

Linux and Unix like operating systems comes with z* commands. These commands allow you to read gzip compressed text files using zless, zcat, zmore and friends commands. The gzip command reduces the size of the files using Lempel-Ziv coding (LZ77). Whenever possible, each file is replaced by one with the extension .gz, while keeping the same ownership modes, access and modification times. z* commands has some cool usage too; such as display the current time in different zonename.
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