linux-Compression Decompression Command (GZIP,ZIP,TAR,BZIP)

1. Command: gzip (zip file)

Zip file suffix. gz

Ps:gzip test.txt Result: Generate file test.txt.gz, original file test.txt disappear.

Note: Only files can be compressed, the directory cannot be compressed, the original files are not preserved after compression, about 1/5 compression ratio

Decompression command: Gunzip

2. Command: Tar (packed compressed directory) strictly speaking, this command is the "pack and Go" command, which packages the directory into a *.tar file

Syntax: TAR option compressed after file name directory

Zip file suffix: *.tar.gz

Option: [-ZCVF]-C package

-V Show More information

-F specified after file name

-Z Package simultaneous compression

PS: #mkdir Japan build Japan Catalogue

#tar-ZCVF Japan.tar.gz Japan generate Japan.tar.gz Compressed files

Unzip command: Tar [options] compress file. tar.gz

[-ZXVF]-X unpacking

-V Show More information

-F specified after file name

-Z Decompression

PS:TAR-ZXVF Japan.tat.gz

3. Command: Zip (compressed file or directory)

Compressed file suffix:*. zip

Syntax: Zip [options] After compressing file name file or directory

-R Compression Directory

PS: #zip-R japan.zip Japan compression catalog Japan, generate Japan.zip file.

#zip test.txt.zip test.txt Compressed file test.txt, generate Test.txt.zip file, keep original file

Decompression command: Unzip file name

Note: After compressing the original file, the compression ratio is less than gzip.

4. Command: BZIP2 (gzip upgrade, compression ratio amazing)

Zip file suffix: *.bz2

Syntax: bzip2 [options] File

-K retains original file after compression

Ps:bzip2-k test.txt generates test.txt.bz2 file, the original file Test.txt reserved.

Packaged compressed TAR-CJVF package compressed file name directory

Unpacking and extracting TAR-XJVF files

　　

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linux-Compression Decompression Command (GZIP,ZIP,TAR,BZIP)