NAME
paq8l - file compressor and archiver
SYNOPSIS
paq8l [-N] file1 [file2...] [dir]
paq8l [-d] file1.paq8l [dir2]
DESCRIPTION
Paq8l is one of a series of open source data compression archivers that
have evolved through collaborative development to top rankings on
several benchmarks measuring compression ratio (although at the expense
of speed and memory usage). The paq compressors use context mixing: a
large number of models estimate the probability that the next bit of
data will be a 0 or 1. These predictions are combined and arithmetic
coded (similar to PPM). In paq6, predictions are combined by weighted
averaging, then adjusting the weights to favor the most accurate
models. Paq7 and later differ mainly in that model predictions are
combined using a neural network rather than by weighted averaging.
OPTIONS
-N This option specifies a compression level ranging from -0
(fastest) to -8 (smallest). The default is -5.
-d Is used when decompressing.
NOTES
The compressed output file is named by adding ".paq8l" extension to the
first named file (file1.paq8l).
Entering paq8l without an argument will display a short help.
SEE ALSO
/usr/share/doc/paq8l/readme.txt
April 25, 2008