hfs provides a command line interface to suite of functions for
accessing Macintosh HFS floppy disks, hard drives and CD-ROMS. The
following functions are available:

- display a directory listing (ls, dir)
- change directories (cd)
- display the name of the current directory (pwd)
- copy an HFS file into a local file (read)
- display the contents of an HFS file (cat)
- display the partition table on a Macintosh volume.