or download this
spek@sainai:~/repos/app-envui$ dpkg -l libusb*
Desired=Unknown/Install/Remove/Purge/Hold
...
ii libusb-1.0-0:i386 2:1.0.17-1ubuntu i386 userspace
+ USB programming library
un libusb0 <none> <none> (no descr
+iption available)
ii libusbmuxd2 1.0.8-2ubuntu1 amd64 USB multi
+plexor daemon for iPhone and