Usage: /usr/bin/xzdec [OPTION]... [FILE]...
Decompress files in the .xz format to standard output.

  -d, --decompress   (ignored, only decompression is supported)
  -k, --keep         (ignored, files are never deleted)
  -c, --stdout       (ignored, output is always written to standard output)
  -q, --quiet        specify *twice* to suppress errors
  -Q, --no-warn      (ignored, the exit status 2 is never used)
  -h, --help         display this help and exit
  -V, --version      display the version number and exit

With no FILE, or when FILE is -, read standard input.

Report bugs to <xz@tukaani.org> (in English or Finnish).
XZ Utils home page: <https://tukaani.org/xz/>