GZIP(1) General Commands Manual GZIP(1) gzip, gunzip, zcat -- gzip [ -acdfhklLnNrtvV19 ] [-S ] [ ... ] gunzip [ -acfhklLnNrtvV ] [-S ] [ ... ] zcat [ -fhLV ] [ ... ] gzip , -- (LZ77). .gz, , ( MSDOS, OS/2 FAT, Windows NT FAT Atari z). <<->>, . gzip . , . , , gzip . gzip 3 ( ). , . , 14 , gzip.msdos.exe gzi.msd.exe.gz. , . gzip . -N. , . gzip -d, gunzip zcat. , , , , . gunzip , .gz, -gz, .z, -z _z ( ), , . gunzip .tgz .taz .tar.gz .tar.Z . gzip .tgz .tar. gunzip , gzip, zip, compress, compress -H pack. . gunzip 32- CRC. pack gunzip . compress , gunzip .Z. .Z , , , uncompress . , uncompress . compress -H SCO ( lzh) CRC, . , zip, gzip , , <>. tar.zip tar.gz. zip- , , <> <>. zip- , unzip gunzip. zcat gunzip -c ( zcat gzcat, compress). zcat , , , . zcat .gz , . gzip -- , zip PKZIP. . , , , 60-70%. LZW ( compress), ( pack) (compact). , . gzip 5 32 0,015% . . gzip . gzip . -a --ascii ASCII: , . , Unix. MSDOS CR LF ( ) LF , LF CR LF . -c --stdout --to-stdout . , , . , . -d --decompress --uncompress . -f --force , , . , gzip, --stdout, , zcat cat. -f gzip , . -h --help . -k --keep ( ) . -l --list : compressed: uncompressed: ratio: (0.0%, ) uncompressed_name: -1 , gzip, .Z. , : zcat file.Z | wc -c --verbose : method: crc: 32- CRC date time: deflate, compress, lzh (SCO compress -H) pack. crc ffffffff , gzip. --name, , , , . --verbose, , , . --quiet, . -L --license gzip . -n --no-name ( , ). ( gzip ) ( ), . . -N --name , , 1 (1970-01-01 00:00:01 UTC) 2**32 (2106-02-07 06:28:16 UTC ); . . , , . -q --quiet . -r --recursive . - , , , gzip ( gunzip -- ) . -S . --suffix . . .gz. , , .z .gz, . . , . --synchronous . gzip , . -t --test . . -v --verbose . . -V --version . , . -# --fast --best #, -1 --fast ( ), -9 --best ( ). -6 ( ). --rsyncable rsync , , . , - , , . rsync . rsync , , , . . gunzip . : gzip -c 1 > foo.gz gzip -c 2 >> foo.gz gunzip -c foo cat 1 2 .gz ( , ). , : cat 1 2 | gzip > foo.gz , gzip -c 1 2 > foo.gz , , : gzip -cd .gz | gzip > .gz , CRC, --list, . , : gzip -cd .gz | wc -c , , , tar zip. GNU tar -z, gzip . gzip tar, . GZIP gzip. , . , , , , gzip . gzip. . , gzip /usr/bin, $HOME/bin PATH $HOME/bin/gzip : #! /bin/sh export PATH=/usr/bin exec gzip -9 "$@" znew(1), zcmp(1), zmore(1), zforce(1), gzexe(1), zip(1), unzip(1), compress(1) gzip P. Deutsch, GZIP file format specification version 4.3, , Internet RFC 1952 ( 1996). <> zip P. Deutsch, DEFLATE Compressed Data Format Specification version 1.3, , Internet RFC 1951 ( 1996). 0; 1. 2. Usage: gzip [-cdfhklLnNrtvV19] [-S suffix] [file ...] . : not in gzip format , gunzip, . : Corrupt input. Use zcat to recover some data. . , , , zcat > _ : compressed with xx bits, can only handle yy bits ( LZW), , , . , gzip, . : already has .gz suffix -- unchanged , . . already exists; do you wish to overwrite (y or n)? <>, , <>. gunzip: corrupt input SIGSEGV, . xx.x% Percentage of the input saved by compression. ( -v -l.) -- not a regular file or directory: ignored ( , , , , FIFO ), . -- has xx other links: unchanged . . ln(1) . -f . . gunzip , gunzip <<>>, , . --quiet . --best , (-6). compress , gzip. bug-gzip@gnu.org GNU gzip: GNU: Copyright (C) 1998-1999, 2001-2002, 2012, 2015-2023 Free Software Foundation, Inc. Copyright (C) 1992, 1993 Jean-loup Gailly , . , , , , . , , , , . () ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. local GZIP(1)