mirror of
https://github.com/systemd/systemd.git
synced 2024-11-06 08:26:52 +03:00
39 lines
1.1 KiB
Groff
39 lines
1.1 KiB
Groff
.TH USB_ID 8 "January 2009" "" "Linux Administrator's Manual"
|
|
.SH NAME
|
|
usb_id \- udev callout to read information from USB devices
|
|
.SH SYNOPSIS
|
|
.B usb_id
|
|
[\fB--usb-info\fP] [\fB--num-info\fP] [\fB--export\fP] [\fB--debug\fP]
|
|
.I devpath
|
|
.br
|
|
.B usb_id --help
|
|
.SH "DESCRIPTION"
|
|
.B usb_id
|
|
is normally called from a udev rule, to provide udev with a unique string and
|
|
additional information (uuid, label) for a USB device. Udev can use this
|
|
information to create symlinks in /dev to the real device node.
|
|
.SH USAGE
|
|
.B usb_id \fIdevpath\fP
|
|
opens the device node specified at the commandline and prints the
|
|
information chosen by the options.
|
|
.SH OPTIONS
|
|
The following commandline switches are supported to specify what usb_id
|
|
should print:
|
|
.TP
|
|
.B -u, --usb-info
|
|
print USB strings instead of, e.g. SCSI strings for a mass storage device
|
|
.TP
|
|
.B -n, --num-info
|
|
print numerical values instead of strings. Implies \fB--usb-info\fP.
|
|
.TP
|
|
.B -x, --export
|
|
print values as environment keys
|
|
.TP
|
|
.B -h, --help
|
|
print usage help
|
|
.RE
|
|
.SH SEE ALSO
|
|
.BR udev (7)
|
|
.SH AUTHORS
|
|
Developed by Hannes Reinecke <hare@suse.de>.
|