Linux Learning notes (19)

First, compression packaging introduction

Compressed files can save space, network transmission time is short, network bandwidth consumption of resources to become smaller

Windows common Compressed files: rar zip 7z

Linux common compressed Files zip. gz. bz2. xz. Tar (suffix name is just a convention)

The more compressed the more ruthless, the more CPU resources consumed

Two, Gzip decompression tool (can not compress the directory)

gzip + filename Zip file (the original file disappears)

-D + zip file name Extract files

-Number (1-9) specify compression level default 6 level, smaller 0 less rigorous compression

-C Keep source files and extract to specified directory

> Extract to the specified directory

Gunzip + Compress file name Extract files

Zcat + Compressed File View Compressed file contents

Third, bzip2 (more than gzip compression, not supported compression directory)

Yum Install bizp2-y installation BIPZ2 tool

bzip2 + file name compression files

-D + zip file decompression file

BUNZIP2 + filename Extract File

-C Keep the original file and extract to the specified directory

-Number (1-9) default compression level is 9

File + Compressed file to view details of files (in case someone does not add a suffix by convention)

Four, XZ compression tool (more than bzip2 compression more ruthless)

XZ + filename zip file

-Number (1-9) compression level, default is 6

-D Extract Files

UNXZ + filename Extract File

-C Keep the original file and compress to the specified directory

Xzcat + Compressed File View Compressed file contents

Linux Learning notes (19)