pigz is an almost compatible replacement for the
program providing a common set of command line arguments. The special feature
of pigz is support for (de)compression execution in multiple
threads, utilizing more available CPU power on multicore or multiprocessor
systems than the standard gzip implementation.
These program follows the usual GNU command line syntax, with long
options starting with two dashes (`-'). Most options are derived from the
program, see its documentation for details. There are also new pigz specific
options for advanced usage which are displayed in program's help output.