竹笋炒肉

gzip 1.3
(1999-12-21)
usage: gzip [-cdfhlLnNrtvV19] [-S suffix] [file ...]
-c --stdout write on standard output, keep original files unchanged
-d --decompress decompress
-f --force force overwrite of output file and compress links
-h --help give this help
-l --list list compressed file contents
-L --license display software license
-n --no-name do not save or restore the original name and time stamp
-N --name save or restore the original name and time stamp
-q --quiet suppress all warnings
-r --recursive operate recursively on directories
-S .suf --suffix .suf use suffix .suf on compressed files
-t --test test compressed file integrity
-v --verbose verbose mode
-V --version display version number
-1 --fast compress faster
-9 --best compress better
file... files to (de)compress. If none given, use standard input.

bzip2, a block-sorting file compressor. Version 1.0.1, 23-June-2000.

usage: bzip2 [flags and input files in any order]

-h --help print this message
-d --decompress force decompression
-z --compress force compression
-k --keep keep (don't delete) input files
-f --force overwrite existing output files
-t --test test compressed file integrity
-c --stdout output to standard out
-q --quiet suppress noncritical error messages
-v --verbose be verbose (a 2nd -v gives more)
-L --license display software version & license
-V --version display software version & license
-s --small use less memory (at most 2500k)
-1 .. -9 set block size to 100k .. 900k

If invoked as `bzip2', default action is to compress.
as `bunzip2', default action is to decompress.
as `bzcat', default action is to decompress to stdout.

If no file names are given, bzip2 compresses or decompresses
from standard input to standard output. You can combine
short flags, so `-v -4' means the same as -v4 or -4v, &c.