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Man Pages


Manual Reference Pages  -  PXZ (1)

NAME

pxz - Parallel LZMA compressor compatible with XZ.

CONTENTS

Synopsis
Description
Options
Examples
Author
Bugs

SYNOPSIS

pxz [options]... [file]...

DESCRIPTION

pxz is a compression utility that takes advantage of running XZ compression simultaneously on different parts of an input file on multiple cores and processors. This significantly speeds up compression time.

OPTIONS

-v Be verbose.
-h, --help
  Display help.
-f, --force
  Force operation.
-c, --stdout
  Write results to standard output and don’t delete input files.
-k, --keep
  Keep (don’t delete) input files.
-T, --threads
  Maximal number of threads to run simultaneously.
-D, --context-size
  Context size per one thread specified as a multiple of dictionary size for active compression level.
-V, --version
  Display version of PXZ.

EXAMPLES

pxz file1 file2
  Compress file1 and file2 to file1.xz and file2.xz using default settings.
pxz -T4 file1
  Compress file1 with default compression and maximum of 4 threads.
pxz -k -9 file1
  Use maximal compression and keep the original file1, use default number of threads.
pxz -f -T4 file1
  Compress file with default compression and with 4 threads.
pxz -kvf -3 -T8 file1
  Use -3 compression, keep the original file, use 8 threads and show progress.
tar Oc dir1 | pxz -D 12 -cv - > dir1.tar.xz
  Move dir1 into tar, then compress it with the context of 12 sizes of dictionary per thread, show progress and write result to dir1.tar.xz.

SEE ALSO

xz(1)

AUTHOR

Jindrich Novy <jnovy@users.sourceforge.net>

BUGS

Report bugs via http://bugzilla.redhat.com/bugzilla/
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pxz PXZ (1) Jun 2010

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