null(7) osf1 man page | unix.com

null(7) 						 Miscellaneous Information Manual						   null(7)

NAME
       null - Data sink

DESCRIPTION
       Data written on a null special file are discarded.

       Reads from a null special file always return 0 (zero) bytes.

EXAMPLES
       To read a floppy disk and display the total number of records read in and output to /dev/null using the dd command: dd if=/dev/disk/floppy0
       of=/dev/null

       To create a zero length file using the cat command: cat > foo < /dev/null

FILES
       /dev/null delim off

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