pa recimo otvoris fajl /proc/bus/usb/devices_please-use-sysfs-instead
i taj fajl isparsiras svaki uredjaj je odvojen sa newline primer, gde u prvoj liniji koja pocinje sa T: se nalaze svi tebi interesantni podaci.
T: Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 6
B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.10-0- ehci_hcd
S: Product=EHCI Host Controller
S: SerialNumber=0000:00:10.3
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=256ms