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modunload(1M)		System Administration Commands		 modunload(1M)

NAME
       modunload - unload a module

SYNOPSIS
       modunload -i module_id [-e exec_file]

DESCRIPTION
       modunload  unloads  a loadable module from the running system. The mod-
       ule_id is the ID	of the module as shown by modinfo(1M). If ID is	0, all
       modules	that  were autoloaded which are	unloadable, are	unloaded. Mod-
       ules loaded by modload(1M) are not affected.

OPTIONS
       The following options are supported:

       -e exec_file
	     Specify the name of a shell script	or executable image file to be
	     executed  before  the  module  is	unloaded.   The	first argument
	     passed is the module id (in decimal). There  are  two  additional
	     arguments	that  are  module  specific. For loadable drivers, the
	     second argument is	the driver major number. For  loadable	system
	     calls,  the  second argument is the system	call number. For load-
	     able exec classes,	the second argument is the index into the  ex-
	     ecsw  table. For loadable filesystems, the	second argument	is the
	     index into	the vfssw table. For  loadable	streams	 modules,  the
	     second argument is	the index into the  fmodsw table. For loadable
	     scheduling	classes, the second argument is	 the  index  into  the
	     class  array.  Minus  one is passed for an	argument that does not
	     apply.

       -i module_id
	     Specify the module	to be unloaded.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE	TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       modinfo(1M), modload(1M), update_drv(1M), attributes(5)

NOTES
       The modunload command has often been used on driver  modules  to	 force
       the  system  to	reread the associated driver configuration file. While
       this works in Solaris 9,	this behavior might break in future  releases.
       The  supported  way  for	rereading driver configuration file is through
       the update_drv(1M) command.

SunOS 5.9			  19 Nov 2001			 modunload(1M)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | ATTRIBUTES | SEE ALSO | NOTES

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