/dev

guest@camp2:/dev$ ls -la
total 4
drwxr-xr-x 11 root root 3040 .
drwxr-xr-x 19 root root 4096 ..
crw-rw-rw- 1 root root 1, 3 null
crw-rw-rw- 1 root root 1, 8 random
crw-rw-rw- 1 root root 1, 9 urandom
crw-rw-rw- 1 root root 1, 5 zero
guest@camp2:/dev$ ▁