# Major device number for which to obtain device name
.TP5
.B\fIminor\fR
# Minor device number for which to obtain device name
.TP5
.B\fIdeviceno\fR
# Full device number for which to obtain device name (specifies the minor device number in the low-order byte and the major device number in the remainder)
This utility locates a file in \fB/dev\fR that represents the device with the specified major/minor device number and prints its name to the standard output. The exit code is zero if such a device is found and non-zero if no such device was found.