• NAME
  
  null, zero - data sink
• DESCRIPTION
  
  Data written on a null or zero special file is discarded.
  
  Reads from the null special file always return end of file, whereas reads from zero always return \0 characters. null and zero are typically created by:
  
  
  mknod -m 666 /dev/null c 1 3
  mknod -m 666 /dev/zero c 1 5
  chown root:root /dev/null /dev/zero
• FILES
  
  /dev/null
  /dev/zero
• NOTES
  
  If these devices are not writable and readable for all users, many programs will act strangely.
• SEE ALSO
  
  chown(1) , mknod(1) , full(4)
• COLOPHON
  
  This page is part of release 3.19 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.

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