man volname (Commandes) - return volume name
NAME
volname - return volume name
SYNOPSIS
volname [<device-file>]
DESCRIPTION
Volname returns the volume name for a device formatted with an ISO-9660 file system, typically a CD-ROM. It also works with normal files that contain a ISO-9660 file system.
The file name can be specified on the command line. If omitted, it defaults to /dev/cdrom.
AUTHOR
Volname was written by Jeff Tranter (tranter@pobox.com) and is released under the conditions of the GNU General Public License. See the file COPYING and notes in the source code for details.