full
FULL(4)                    Linux Programmer's Manual                   FULL(4)
NAME
       full - always full device
DESCRIPTION
       File /dev/full has major device number 1 and minor device number 7.
       Writes to the /dev/full device will fail with an ENOSPC error.
       Reads from the /dev/full device will return \0 characters.
       Seeks on /dev/full will always succeed.
CONFIGURING
       If  your system does not have /dev/full created already, it can be cre-
       ated with the following commands:
               mknod -m 666 /dev/full c 1 7
               chown root:root /dev/full
FILES
       /dev/full
SEE ALSO
       mknod(1), null(4), zero(4)
Linux                             1997-08-02                           FULL(4)