$ ls -l /dev/usb/lp* /dev/usblp* ls: /dev/usb/lp*: No such file or directory ls: /dev/usblp*: No such file or directory
$ ls -l /usr/lib/cups/backend/hal -rwxr-xr-x 1 root root 8988 2007-09-19 09:01 /usr/lib/cups/backend/hal
$ ls -l /dev/usb* crw-rw---- 1 root root 189, 0 2008-03-20 23:32 /dev/usb1 crw-rw---- 1 root root 189, 128 2008-03-20 23:32 /dev/usb2 crw-rw---- 1 root root 189, 256 2008-03-20 23:32 /dev/usb3 crw-rw---- 1 root root 189, 384 2008-03-20 23:32 /dev/usb4 crw-rw---- 1 root root 189, 512 2008-03-20 23:32 /dev/usb5 crw-rw---- 1 root root 254, 0 2008-03-20 23:32 /dev/usbdev1.1_ep00 crw-rw---- 1 root root 254, 1 2008-03-20 23:32 /dev/usbdev1.1_ep81 crw-rw---- 1 root root 254, 2 2008-03-20 23:32 /dev/usbdev2.1_ep00 crw-rw---- 1 root root 254, 3 2008-03-20 23:32 /dev/usbdev2.1_ep81 crw-rw---- 1 root root 254, 11 2008-03-20 22:33 /dev/usbdev2.3_ep00 crw-rw---- 1 root root 254, 13 2008-03-20 22:33 /dev/usbdev2.3_ep02 crw-rw---- 1 root root 254, 12 2008-03-20 22:33 /dev/usbdev2.3_ep81 crw-rw---- 1 root root 254, 15 2008-03-20 22:33 /dev/usbdev2.3_ep83 crw-rw---- 1 root root 254, 4 2008-03-20 23:32 /dev/usbdev3.1_ep00 crw-rw---- 1 root root 254, 5 2008-03-20 23:32 /dev/usbdev3.1_ep81 crw-rw---- 1 root root 254, 12 2008-03-20 23:32 /dev/usbdev3.2_ep00 crw-rw---- 1 root root 254, 13 2008-03-20 23:32 /dev/usbdev3.2_ep81 crw-rw---- 1 root root 254, 9 2008-03-20 22:33 /dev/usbdev3.3_ep00 crw-rw---- 1 root root 254, 10 2008-03-20 22:33 /dev/usbdev3.3_ep81 crw-rw---- 1 root root 254, 6 2008-03-20 23:32 /dev/usbdev4.1_ep00 crw-rw---- 1 root root 254, 7 2008-03-20 23:32 /dev/usbdev4.1_ep81 crw-rw---- 1 root root 254, 14 2008-03-20 23:32 /dev/usbdev5.1_ep00 crw-rw---- 1 root root 254, 8 2008-03-20 23:32 /dev/usbdev5.1_ep81
$ ls -l /dev/usb/lp* /dev/usblp*
ls: /dev/usb/lp*: No such file or directory
ls: /dev/usblp*: No such file or directory
$ ls -l /usr/lib/ cups/backend/ hal cups/backend/ hal
-rwxr-xr-x 1 root root 8988 2007-09-19 09:01 /usr/lib/
$ ls -l /dev/usb*
crw-rw---- 1 root root 189, 0 2008-03-20 23:32 /dev/usb1
crw-rw---- 1 root root 189, 128 2008-03-20 23:32 /dev/usb2
crw-rw---- 1 root root 189, 256 2008-03-20 23:32 /dev/usb3
crw-rw---- 1 root root 189, 384 2008-03-20 23:32 /dev/usb4
crw-rw---- 1 root root 189, 512 2008-03-20 23:32 /dev/usb5
crw-rw---- 1 root root 254, 0 2008-03-20 23:32 /dev/usbdev1.1_ep00
crw-rw---- 1 root root 254, 1 2008-03-20 23:32 /dev/usbdev1.1_ep81
crw-rw---- 1 root root 254, 2 2008-03-20 23:32 /dev/usbdev2.1_ep00
crw-rw---- 1 root root 254, 3 2008-03-20 23:32 /dev/usbdev2.1_ep81
crw-rw---- 1 root root 254, 11 2008-03-20 22:33 /dev/usbdev2.3_ep00
crw-rw---- 1 root root 254, 13 2008-03-20 22:33 /dev/usbdev2.3_ep02
crw-rw---- 1 root root 254, 12 2008-03-20 22:33 /dev/usbdev2.3_ep81
crw-rw---- 1 root root 254, 15 2008-03-20 22:33 /dev/usbdev2.3_ep83
crw-rw---- 1 root root 254, 4 2008-03-20 23:32 /dev/usbdev3.1_ep00
crw-rw---- 1 root root 254, 5 2008-03-20 23:32 /dev/usbdev3.1_ep81
crw-rw---- 1 root root 254, 12 2008-03-20 23:32 /dev/usbdev3.2_ep00
crw-rw---- 1 root root 254, 13 2008-03-20 23:32 /dev/usbdev3.2_ep81
crw-rw---- 1 root root 254, 9 2008-03-20 22:33 /dev/usbdev3.3_ep00
crw-rw---- 1 root root 254, 10 2008-03-20 22:33 /dev/usbdev3.3_ep81
crw-rw---- 1 root root 254, 6 2008-03-20 23:32 /dev/usbdev4.1_ep00
crw-rw---- 1 root root 254, 7 2008-03-20 23:32 /dev/usbdev4.1_ep81
crw-rw---- 1 root root 254, 14 2008-03-20 23:32 /dev/usbdev5.1_ep00
crw-rw---- 1 root root 254, 8 2008-03-20 23:32 /dev/usbdev5.1_ep81