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modunload(8)

modunload(8)            System Administration Commands            modunload(8)

NAME
       modunload - unload a module

SYNOPSIS
       modunload -i module [-e exec_file]

DESCRIPTION
       modunload unloads a loadable module from the running system. The module
       is  either the module ID of the module as shown by modinfo(8). If ID is
       0, all modules that were autoloaded which are unloadable, are unloaded.
       Modules loaded by modload(8) are not affected.

OPTIONS
       The following options are supported:

       -i module       Specify the module to be unloaded. If  'module'  starts
                       with a digit then it is interpreted as a decimal module
                       Id, otherwise it is interpreted as a module name.


       -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 spe‐
                       cific. 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 ar‐
                       gument 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. Mi‐
                       nus one is passed for an argument that does not apply.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE  TYPEAT‐
       TRIBUTE VALUE _ Availabilitysystem/core-os


SEE ALSO
       attributes(7), modinfo(8), modload(8), update_drv(8)

NOTES
       The modunload command is often used on driver modules to force the sys‐
       tem  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(8) command.

Oracle Solaris 11.4               19 Nov 2001                     modunload(8)
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