device file
interface to a device driver that appears in a file system as if it were an ordinary file; e.g. /dev/* in Unix-like systems; CON, PRN, NUL in DOS/Windows
/dev/zero
special file
network block device
network storage protocol
/dev/full
special file
block device
type of device file
loop device
Unix device node that allows a file to be mounted as if it were a device
/dev/random
Device file