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# Installing Gzip

## Installation of Gzip

Install Gzip by running the following commands:

> `./configure --prefix=/usr &&`
> `make &&`
> `make install &&`
> `cd /usr/bin &&`
> `mv gzip /bin &&`
> `rm gunzip /bin/gunzip &&`
> `cd /bin &&`
> `ln -s gzip gunzip &&`
> `ln -s gzip compress &&`
> `ln -s gunzip uncompress`

## Contents

The Gzip package contains the compress, gunzip, gzexe, gzip, uncompress, zcat, zcmp, zdiff, zforece, zgrep, zmore and znew programs.

## Description

### gunzip

gunzip decompresses files that are compressed with gzip.

### gzexe

gzexe allows you to compress executables in place and have them automatically uncompress and execute when you run them (at a penalty in performance).

### gzip

gzip reduces the size of the named files using Lempel-Ziv coding (LZ77).

### zcat

zcat uncompresses either a list of files on the command line or its standard input and writes the uncompressed data on standard output

### zcmp

zcmp invokes the cmp program on compressed files.

### zdiff

zdiff invokes the diff program on compressed files.

### zforce

zforce forces a .gz extension on all gzip files so that gzip will not compress them twice. This can be useful for files with names truncated after a file transfer.

### zgrep

zgrep invokes the grep program on compressed files.

### zmore

Zmore is a filter which allows examination of compressed or plain text files one screenful at a time on a soft-copy terminal (similar to the more program).

### znew

Znew recompresses files from .Z (compress) format to .gz (gzip) format.

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