gzip, gunzip, zcat - compress or expand files
#gzip --help
Usage: gzip [OPTION]... [FILE]...
Compress or uncompress FILEs (by default, compress FILES in-place).
Mandatory arguments to long options are mandatory for short options too.
-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, --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
--rsyncable Make rsync-friendly archive
With no FILE, or when FILE is -, read standard input.
Report bugs to <[email protected]>.
Compress/uncompress files with gzip compression (LZ77).
-
Compress a file, replacing it with a gzipped compressed version:
gzip file.ext -
Decompress a file, replacing it with the original uncompressed version:
gzip -d file.ext.gz -
Compress a file specifying the output filename:
gzip -c file.ext > compressed_file.ext.gz -
Uncompress a gzipped file specifying the output filename:
gzip -c -d file.ext.gz > uncompressed_file.ext -
Specify the compression level. 1=Fastest (Worst), 9=Slowest (Best), Default level is 6:
gzip -9 -c file.ext > compressed_file.ext.gz