pigz Multithreaded zlib compression utility. Compress a file with default options: pigz {{filename}} Compress a file using the best compression method: pigz -9 {{filename}} Compress a file using no compression and 4 processors: pigz -0 -p{{4}} {{filename}} Decompress a file: pigz -d {{archive.gz}} List the contents of an archive: pigz -l {{archive.tar.gz}}