xz Compress or decompress .xz and .lzma files. Compress a file: xz {{file}} Decompress a file: xz -d {{file.xz}} Decompress a file and write to stdout: xz -dc {{file.xz}} Compress a file, but don't delete the original: xz -k {{file}} Compress a file using the fastest compression: xz -0 {{file}} Compress a file using the best compression: xz -9 {{file}}