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LZIP

Section: User Commands (1)
Updated: August 2014
Index Return to Main Contents
 

NAME

lzip - reduces the size of files  

SYNOPSIS

lzip [,options/] [,files/]  

DESCRIPTION

Lzip - LZMA lossless data compressor.  

OPTIONS

-h, --help
display this help and exit
-V, --version
output version information and exit
-b, --member-size=<bytes>
set member size limit in bytes
-c, --stdout
send output to standard output
-d, --decompress
decompress
-f, --force
overwrite existing output files
-F, --recompress
force recompression of compressed files
-k, --keep
keep (don't delete) input files
-m, --match-length=<bytes>
set match length limit in bytes [36]
-o, --output=<file>
if reading stdin, place the output into <file>
-q, --quiet
suppress all messages
-s, --dictionary-size=<bytes>
set dictionary size limit in bytes [8 MiB]
-S, --volume-size=<bytes>
set volume size limit in bytes
-t, --test
test compressed file integrity
-v, --verbose
be verbose (a 2nd -v gives more)
-0 .. -9
set compression level [default 6]
--fast
alias for -0
--best
alias for -9

If no file names are given, lzip compresses or decompresses from standard input to standard output. Numbers may be followed by a multiplier: k = kB = 10^3 = 1000, Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc... The bidimensional parameter space of LZMA can't be mapped to a linear scale optimal for all files. If your files are large, very repetitive, etc, you may need to use the --match-length and --dictionary-size options directly to achieve optimal performance. For example, -9m64 usually compresses executables more (and faster) than -9.

Exit status: 0 for a normal exit, 1 for environmental problems (file not found, invalid flags, I/O errors, etc), 2 to indicate a corrupt or invalid input file, 3 for an internal consistency error (eg, bug) which caused lzip to panic.  

REPORTING BUGS

Report bugs to lzip-bug@nongnu.org
Lzip home page: http://www.nongnu.org/lzip/lzip.html  

COPYRIGHT

Copyright © 2014 Antonio Diaz Diaz. License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.  

SEE ALSO

The full documentation for lzip is maintained as a Texinfo manual. If the info and lzip programs are properly installed at your site, the command
info lzip

should give you access to the complete manual.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
REPORTING BUGS
COPYRIGHT
SEE ALSO


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