The lz script emulates and extends the lz and uz commands of the mtools.

It handles: .tar, .tar.gz, .tar.bz2, .tar.xz and .tar.lzma, through the
standards options of GNU tar.

If the script name is "lz", the archive content is displayed. If the name
is "uz", it is extracted.

To install lz and uz, move put script in a directory in the PATH (for
instance /usr/local/bin) and hard link it to uz:
  cp lz /usr/local/bin
  ln /usr/local/bin/{lz,uz}