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NAME
gzip, gunzip, zcat -
gzip [ -acdfhlLnNrtvV19 ] [-S ] [ ... ]
gunzip [ -acfhlLnNrtvV ] [-S ] [ ... ]
zcat [ -fhLV ] [ ... ]
Gzip Lempel-Ziv (LZ77) , .gz, , (VMS -gz MSDOSOS/2 FAT, Windows NT FAT
Atari z ) "-" Gzip
gzip Gzip 3 14gzip.msdos.exe gzi.msd.exe.gz
gzip -N
gzip -d gunzip zcat.
gunzip .gz, -gz, .z, -z, _z .Z gunzip .tgz .taz .tar.gz .tar.Z .tar
gzip .tgz
gunzip gzip, zip, compress, compress -H pack gunzip 32CRC pack, gunzip
compress gunzip .Z.Z uncompress .Z uncompress SCOcompress -H(lzh CRC
zip , 'deflation' gziptar.zip tar.gz zip unzip.
zcat gunzip -c. (, zcat gzcat compress zcat) zcat zcat .gz
Gzip zip PKZIP Lempel-Ziv 60-70% LZW( compress )Huffman( pack Huffman(
compact)
gzip32K50.015% gzip
-a --ascii
AsciiUnix MSDOSCR LF()LFLF CR LF
-c --stdout --to-stdout
-d --decompress --uncompress
-f --force
gzip --stdoutgzip cat -f gzip
-h --help
-l --list
compressed size:
uncompressed size:
ratio: (0.0%)
uncompressed_name:
gzip-1compress.Z
zcat file.Z | wc -c
--verbose:
method:
crc: 32CRC
date & time:
deflatecompresslzh(SCOcompress -H)pack gzipcrcffffffff
--name
--verbose --quiet
-L --license
gzip
-n --no-name
( ) gzip
-N --name
-q --quiet
-r --recursive
gzip gunzip
-S .suf --suffix .suf
.suf.gz.z.gz gunzip
gunzip -S "" * (MSDOS*.**)
gzip.z pack(1).
-t --test
-v --verbose
-V --version
Version. Display the version number and compilation options
then quit.
-# --fast --best
# -1 --fast -9 --best -6
gunzip
gzip -c file1 > foo.gz
gzip -c file2 >> foo.gz
gunzip -c foo
cat file1 file2
.gz
cat file1 file2 | gzip > foo.gz
:
gzip -c file1 file2 > foo.gz
:
gzip -cd old.gz | gzip > new.gz
--list CRC
gzip -cd file.gz | wc -c
tarzipGNU tar-zgzipgzip tar
GZIP gzip :
sh: GZIP="-8v --name"; export GZIP
csh: setenv GZIP "-8v --name"
MSDOS: set GZIP=-8v --name
Vax/VMSGZIP_OPT
znew(1), zcmp(1), zmore(1), zforce(1), gzexe(1), zip(1), unzip(1),
compress(1), pack(1), compact(1)
012
Usage: gzip [-cdfhlLnNrtvV19] [-S suffix] [file ...]
file: not in gzip format
gunzip
file: Corrupt input. Use zcat to recover some data.
zcat file > recover
file: compressed with xx bits, can only handle yy bits
File LZWgzip
file: already has .gz suffix -- no change
gzip
file already exists; do you wish to overwrite (y or n)?
"y""n"
gunzip: corrupt input
SIGSEGV
xx.x%
-v -l
-- not a regular file or directory: ignored
socketFIFO
-- has xx other links: unchanged
ln(1). -f
gunzip gunzip --quiet GZIP
sh: GZIP="-q" tar -xfz --block-compress /dev/rst0
csh: (setenv GZIP -q; tar -xfz --block-compr /dev/rst0
gzip-zGNU tar tar -b GNUtar
2GB, --list --list-1crc ffffffff
--best(-6) compress gzip
[]
Liu JingSong <js-liu@263.net>
[]
2000/12/28
[Linuxman]
http://cmpp.linuxforum.net
local GZIP(1)