zero - phpMan

NULL(4)                    Linux Programmer’s Manual                   NULL(4)



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:mem /dev/null /dev/zero


NOTES
       If these devices are not writable and readable for all users,  many  programs  will
       act strange.

FILES
       /dev/null
       /dev/zero

SEE ALSO
       chown(1), mknod(1)



Linux                             1992-11-21                           NULL(4)

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