Provided by: util-linux_2.20.1-5.1ubuntu20_amd64
findfs - find a filesystem by label or UUID
findfs LABEL=label findfs UUID=uuid
findfs will search the disks in the system looking for a filesystem which has a label matching label or a UUID equal to uuid. If the filesystem is found, the device name for the filesystem will be printed on stdout.
findfs was originally written by Theodore Ts'o (email@example.com) and re-written for the util-linux package by Karel Zak (firstname.lastname@example.org).
The findfs command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.