volname(1) -- Linux man page
NAMEvolname - return volume name
Volname returns the volume name for a device formatted with an ISO-9660 file system, typically a CD-ROM.
The device file name can be specified on the command line. If omitted, it defaults to /dev/cdrom.
AUTHORVolname was written by Jeff Tranter (email@example.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.