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tar/gzip/bzip  

2009-01-13 21:14:41|  分类: linux-system |  标签: |举报 |字号 订阅

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The Tar package contains an archiving program.

rmt
    Remotely manipulates a magnetic tape drive through an interprocess communication connection
tar
    Creates, extracts files from, and lists the contents of archives, also known as tarballs
====================================================================================
The Gzip package contains programs for compressing and decompressing files.

gunzip
    Decompresses gzipped files
gzexe
    Creates self-decompressing executable files
gzip
    Compresses the given files using Lempel-Ziv (LZ77) coding
uncompress
    Decompresses compressed files


zcat
    Decompresses the given gzipped files to standard output
zcmp
    Runs cmp on gzipped files
zdiff
    Runs diff on gzipped files
zegrep
    Runs egrep on gzipped files
zfgrep
    Runs fgrep on gzipped files
zforce
    Forces a .gz extension on all given files that are gzipped files, so that gzip will not compress them again; this can be useful when file names were truncated during a file transfer
zgrep
    Runs grep on gzipped files
zless
    Runs less on gzipped files
zmore
    Runs more on gzipped files
znew
    Re-compresses files from compress format to gzip format—.Z to .gz
=================================================================================
The Bzip2 package contains programs for compressing and decompressing files. Compressing text files with bzip2 yields a much better compression percentage than with the traditional gzip.


bzip2
    Compresses files using the Burrows-Wheeler block sorting text compression algorithm with Huffman coding; the compression rate is better than that achieved by more conventional compressors using “Lempel-Ziv” algorithms, like gzip
bzip2recover
    Tries to recover data from damaged bzipped files
bunzip2
    Decompresses bzipped files
bzcat
    Decompresses to standard output

bzcmp
    Runs cmp on bzipped files
bzdiff
    Runs diff on bzipped files
bzgrep
    Runs grep on bzipped files
bzegrep
    Runs egrep on bzipped files
bzfgrep
    Runs fgrep on bzipped files
bzless
    Runs less on bzipped files
bzmore

    Runs more on bzipped files


libbz2*

    The library implementing lossless, block-sorting data compression, using the Burrows-Wheeler algorithm

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