how do I determine USB version?

[Mike McCarty]

Michael Hennebry wrote:
> Is there a way to ask fedora what
> kind of USB ports it thinks it has?
> Preferably before plugging something into one.
> 

$ apropos USB
QStatusBar [qstatusbar] (3qt)  - Horizontal bar suitable for presenting 
status information
aiptek               (4x)  - Aiptek USB Digital Tablet Input Driver for 
Linux
fxload               (8)  - Firmware download to EZ-USB devices
lsusb                (8)  - list all USB devices
sane-canon630u       (5)  - SANE backend for the Canon 630u USB flatbed 
scanner
sane-find-scanner    (1)  - find SCSI and USB scanners and their device 
files
sane-gt68xx          (5)  - SANE backend for GT-68XX based USB flatbed 
scanners
sane-ma1509          (5)  - SANE backend for Mustek BearPaw 1200F USB 
scanner
sane-mustek_usb      (5)  - SANE backend for Mustek USB flatbed scanners
sane-plustek         (5)  - SANE backend for Plustek parallel port and 
LM983[1/2/3] based USB flatbed scanners
sane-sm3600          (5)  - SANE backend for Microtek scanners with M011 
USB chip
sane-usb             (5)  - USB configuration tips for SANE
usbmodules           (8)  - List kernel driver modules available for a 
plugged in USB device
$ man lsusb
[information about lsusb -v]
$

Mike
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