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KEXTD(8)                  BSD System Manager's Manual                 KEXTD(8)

     kextd -- loads kexts on demand from kernel or client processes

     kextd [-c] [-d] [-f] [-h] [-j] [-r directory] ...  [-v [1-6]] [-x]

     kextd runs as a daemon process to handle requests from the kernel to load
     kernel extensions (kexts).  For proper operation kextd must be invoked as
     the superuser.

     kextd should not be considered a formal interface in the Darwin OS or in
     Mac OS X.  Neither its usage nor its presence should be relied on by any
     software or software installer.

     The options available are these:

     -c       Ignore any repository cache files and scan all kext bundles to
              gather information.  If this option is not given, kextd will
              attempt to use cache files and to create them if they are out of
              date or don't exist.

     -d       Debug mode; run in the foreground without forking as a daemon

     -f       Don't fork a child task when loading kexts.  This option is
              present for debugging kextd and should never be used otherwise.

     -h       Print a help message describing each option flag.

     -j       Don't jettison kernel linker; load NDRVs in the kernel and exit,
              allowing the kernel to continue handling all load requests.
              This option is used in startup scripts for install CDs, along
              with a properly built mkext cache, in order to speed startup
              from the CD.

     -r directory
              Use directory as a repository of known kexts for handling load
              requests.  This is not recursive; only the directory's immediate
              contents are scanned.  By default kextd uses only the kexts in

     -v [1-6]
              Verbose mode; print information about the kext scanning and
              loading process (note that this is generally not useful when
              unloading).  See the man page for kextload(8) to see what each
              verbose level prints.

     -x       Run kextd in safe boot mode (indicating startup with the Shift
              key held down).  Kexts that don't specify a proper value for the
              OSBundleRequired info dictionary property will not be loaded.
              This option implies the use of the -c option.

     kextd normally never exits.  If an error occurs it exits with a nonzero
     status.  If invoked with the -j option it exits with a zero status when
     no error occurs, or a nonzero status if an error does occur.

     kextd logs all error and verbose messages to the system log, or to the
     console if the system log facility isn't available.  When running in
     debug mode all output is printed to the standard output and error

     kextcache(8), kextload(8), kextstat(8), kextunload(8), syslogd(8)

Darwin                         February 14, 2002                        Darwin