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