This manual page is for Mac OS X version 10.6.3

If you are running a different version of Mac OS X, view the documentation locally:

  • In Terminal, using the man(1) command

Reading manual pages

Manual pages are intended as a quick reference for people who already understand a technology.

  • For more information about the manual page format, see the manual page for manpages(5).

  • For more information about this technology, look for other documentation in the Apple Reference Library.

  • For general information about writing shell scripts, read Shell Scripting Primer.


NULL(4)                                 BSD Kernel Interfaces Manual                                 NULL(4)

NAME
     null -- the null device

DESCRIPTION
     The null device accepts and reads data as any ordinary (and willing) file - but throws it away. The
     length of the null device is always zero.

FILES
     /dev/null

HISTORY
     A null device appeared in Version 7 AT&T UNIX.

BSD                                             June 5, 1993                                             BSD

Reporting Problems

The way to report a problem with this manual page depends on the type of problem:

Content errors
Report errors in the content of this documentation with the feedback links below.
Bug reports
Report bugs in the functionality of the described tool or API through Bug Reporter.
Formatting problems
Report formatting mistakes in the online version of these pages with the feedback links below.

Did this document help you? Yes It's good, but... Not helpful...