Compression and decompression of linux-files

Compression

1. Definition: Compression is a large file through a number of compression algorithms into small files

2. Purpose: Mainly to reduce the size of the file, which will save the disk or tape storage file space, and the transmission of these small files on the network will also reduce network browsing (that is, to save network bandwidth)

Unzip

1. Definition : Decompression is to restore a file through a number of compression algorithm to the image before compression

Example:

gzip command

1) Gzip file1-c >/path/name.gz #将文件file1压缩成. gz Format for compressed packets

2) Gunzip file1.gz > #将压缩文件file1. GZ decompression

bzip2 command

1) bzip2 file2 > #将文件file1压缩成. bz2 Format Compressed Package

2) bunzip2 file2.bz2 > #将压缩文件file1. bz2 decompression

Compress and decompress with the tar command

1) Tar Cvfz testdir.tar.gz testdir #使用tar命令将testdir目录打包而且同时使用gzip的技术压缩打包文件的方法

2) tar cvfj testdir.tar.bz2 testdir #使用tar命令将testdir目录打包同时使用bzip2的技术压缩打包文件的方法

Compression and decompression of linux-files