4:full

From Linux Man Pages

      full - always full device
      

Contents 1 DESCRIPTION 2 CONFIGURING 3 FILES 4 RELATED 5 CATEGORY

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.  This can be used to test how a program handles
      disk-full errors.
 
      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 created with the following commands:
 
              mknod -m 666 /dev/full c 1 7
              chown root:root /dev/full

FILES

      /dev/full

RELATED

      mknod(1), null(4), zero(4)

CATEGORY