What kind of file is $/$dev$/$tty$0$ as per the output below?

crw$--$w$----1$ root tty $4,0$ Jan $1907$:$27/$dev$/$tty$0$

Question $11$Answer

a$.$

An output device file

b$.$

An input device file

c$.$

A character device file

d$.$

A block device file