Viper christopher # cat /dev/video0
cat: /dev/video0: No such device
Viper christopher # ls -lh /dev/video0
lrwxrwxrwx 1 root root 10 2007-05-25 12:25 /dev/video0 -> v4l/video0

Viper christopher # ls -lh /dev/v4l/
total 0
crw-rw---- 1 root video 81, 0 2007-05-25 12:25 video0
Viper christopher # cat /dev/v4l/video0
cat: /dev/v4l/video0: No such device