# ls -l /dev/input/ crw-rw---- 1 root root 13, 64 Jan 1 00:00 event0 crw-rw---- 1 root root 13, 65 Jan 1 00:00 event1 crw-rw---- 1 root root 13, 66 Jan 1 00:00 event2 crw-rw---- 1 root root 13, 67 Jan 1 00:00 event3 crw-rw---- 1 root root 13, 63 Jan 1 00:00 mice
cat /dev/input/event3