1 FULL(7D)                            Devices                           FULL(7D)
   2 
   3 NAME
   4      full - always-full device
   5 
   6 SYNOPSIS
   7      /dev/full
   8 
   9 DESCRIPTION
  10      The full device is used to test program behavior in out-of-space
  11      conditions.
  12 
  13      Writes always yield the error ENOSPC.
  14 
  15      Reads supply an endless stream of zeros, identical to zero(7D)
  16 
  17      lseek(2) will always return successfully.
  18 
  19      mmap(2) is not implemented.
  20 
  21 FILES
  22      /dev/full
  23 
  24 SEE ALSO
  25      mem(7D), null(7D), zero(7D)
  26 
  27 illumos                        February 7, 2017                        illumos