Shulou(Shulou.com)06/02 Report--

File directory compression / decompression

File compression / decompression-gzip/bzip/xz

1) gzip * .gz

Compression:

[root@localhost ~] # gzip / bbq/1.txt

[root@localhost ~] # ls / bbq/

1.txt.gz

[root@localhost ~] # file / bbq/1.txt.gz

/ bbq/1.txt.gz: gzip compressed data, was "1.txt", from Unix, last modified: Sat Sep 7 05:33:50 2019

Unzip:

[root@localhost] # gzip-d / bbq/1.txt

[root@localhost ~] # ls / bbq/

1.txt

2) bzip2 * .bz2

[root@localhost ~] # bzip2 / bbq/1.txt

[root@localhost ~] # file / bbq/1.txt.bz2

/ bbq/1.txt.bz2: bzip2 compressed data, block size = 900k

[root@localhost] # bzip2-d / bbq/1.txt.bz2

[root@localhost ~] # ls / bbq/

1.txt

3) xz * .xz

[root@localhost ~] # xz / bbq/1.txt

[root@localhost ~] # file / bbq/1.txt.xz

/ bbq/1.txt.xz: XZ compressed data

[root@localhost] # xz-d / bbq/1.txt.xz

[root@localhost ~] # ls / bbq/

1.txt

Create a package file-tar

1) create a package file * .tar

Tar cf package file name source file c: create create f: file file

[root@localhost bbq] # tar cf 1.tar 1.txt

[root@localhost bbq] # file 1.tar

1.tar: POSIX tar archive (GNU)

2) unpack

# tar xf package file name [- C directory name]

[root@localhost bbq] # tar xf 1.tar

[root@localhost bbq] # tar xf 1.tar-C / kvm/

3) View the files in the package

[root@localhost bbq] # tar tvf 1.tar

-rw-r--r-- root/root 0 2019-09-07 05:33 1.txt

Call gzip to compress / decompress beforehand

# tar czf package File name Source File

Z: call gzip

[root@localhost bbq] # tar czf / kvm/1.tar.gz / bbq/

[root@localhost bbq] # ls / kvm

1.tar.gz

Decompress

[root@localhost] # tar zxf / kvm/1.tar.gz-C / tmp/

Call bzip2 to achieve compression / decompression

# tar cjf package file name directory name

J: call bzip2

[root@localhost ~] # tar cjf / kvm/1.tar.bz2 / kvm/

Decompress

[root@localhost] # tar xjf / kvm/1.tar.bz2-C / tmp/

Call xz to achieve compression / decompression

Tar cJf package file name directory name J: call xz

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