Scroll to navigation

MINILZIP(1) User Commands MINILZIP(1)


minilzip - reduces the size of files


minilzip [options] [files]


Minilzip - Test program for the lzlib library.


display this help and exit
output version information and exit
exit with error status if trailing data
set member size limit in bytes
write to standard output, keep input files
overwrite existing output files
force re-compression of compressed files
keep (don't delete) input files
set match length limit in bytes [36]
if reading standard input, write to <file>
suppress all messages
set dictionary size limit in bytes [8 MiB]
set volume size limit in bytes
test compressed file integrity
be verbose (a 2nd -v gives more)
-0 .. -9
set compression level [default 6]
alias for -0
alias for -9

If no file names are given, or if a file is '-', minilzip 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... Dictionary sizes 12 to 29 are interpreted as powers of two, meaning 2^12 to 2^29 bytes.

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 --dictionary-size and --match-length options directly to achieve optimal performance.

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 minilzip to panic.


Report bugs to
Lzlib home page:


Copyright © 2017 Antonio Diaz Diaz. Using lzlib 1.9 License GPLv2+: GNU GPL version 2 or later <>
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

April 2017 minilzip 1.9