MODUNLOAD(1M) Maintenance Commands MODUNLOAD(1M)


modunload - unload a module


modunload -i module_id [-e exec_file]


modunload unloads a loadable module from the running system. The
module_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.
Modules loaded by modload(1M) are not affected.


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 loadable
exec classes, the second argument is the index into the
execsw 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.


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


The modunload command is often used on driver modules to force the system
to reread the associated driver configuration file. While this works in
the current Solaris release, it is not the supported way to reread the
configuration file and is not guaranteed to work in future releases. The
supported way for rereading driver configuration file is through the
update_drv(1M) command.

November 19, 2001 MODUNLOAD(1M)