Changes

The '''/dev/null ''' file (sometimes called the '''bit bucket ''' or '''black hole''''''Bold text''') is a special system file that discards all data written into itUseful . This is useful to discard unwanted command output, for example. ''Example:'' <span style="font-family:courier;font-weight:bold;">find / -name "tempfile" 2> /dev/nullAlso, </dev/null can provide null data (EOF only) to processes reading from itspan>Useful to purge (empty) files etc, for example: cat /dev/null <br><br> ~/.bashrc