systemd-stable/extras/cdrom_id/cdrom_id.8

.TH CDROM_ID 8 "November 2005" "" "Linux Administrator's Manual"
.SH NAME
cdrom_id \- udev callout to determine the capabilities of cd/dvd drives
.SH SYNOPSIS
.BI cdrom_id
[\fI--export\fP] \fIblockdevice\fP
.SH "DESCRIPTION"
.B cdrom_id
is normally called from a udev rule, to provide udev with the capabilities
of a cdrom or dvdrom drive. Udev can use this information to create
symlinks like /dev/cdrom or /dev/dvd to the real device node.
.SH USAGE
.B cdrom_id
opens the blockdevice node specified at the commandline and prints the
discovered capabilities.
.SH OPTIONS
The following commandline switches are supported to specify what cdrom_id
should print:
.TP
.BI --export
print all values (default)
.RE
.SH SEE ALSO
.BR udev (7)
.SH AUTHORS
Developed by Greg Kroah\-Hartman <greg@kroah.com>.