Thread: Wondering about the ROOTS

in process of trying set toshiba thrive usb connect laptop ubuntu on of steps included running lsusb in terminal determine how device listed. when saw results wondered if part of problem number of roots shown. here results:

lsusb
bus 008 device 001: id 1d6b:0001 linux foundation 1.1 root hub
bus 007 device 001: id 1d6b:0001 linux foundation 1.1 root hub
bus 006 device 002: id 045e:00e1 microsoft corp. wireless laser mouse 6000 reciever
bus 006 device 001: id 1d6b:0001 linux foundation 1.1 root hub
bus 005 device 001: id 1d6b:0001 linux foundation 1.1 root hub
bus 004 device 001: id 1d6b:0001 linux foundation 1.1 root hub
bus 003 device 001: id 1d6b:0001 linux foundation 1.1 root hub
bus 002 device 003: id 0930:7100 toshiba corp.
bus 002 device 001: id 1d6b:0002 linux foundation 2.0 root hub
bus 001 device 003: id 0bda:0158 realtek semiconductor corp. usb 2.0 multicard reader
bus 001 device 002: id 04f2:b070 chicony electronics co., ltd
bus 001 device 001: id 1d6b:0002 linux foundation 2.0 root hub

note there total of:

6 listings of id 1d6b:0001 linux foundation root hub, and,

2 listings of id1d6b:0002 linux foundation 2.0 root hub

of these necessary and, if not, should , how remove excess?

that looks fine.

root (in context) means devices plugged computers usb ports or linked motherboards usb subsystem.

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