Manual browser: modload(8)

MODLOAD(8) System Manager's Manual MODLOAD(8)


modloadload a kernel module


modload [-fP] [-b var=boolean] [-i var=integer] [-s var=string] module

modload -p [-b var=boolean] [-d var] [-i var=integer] [-m plist] [-s var=string]


The modload utility loads a kernel module specified by the module parameter into the running system.

Modules are loaded from the default system module areas unless the module parameter contains a path separator character (‘/’).

The options to modload are as follows:

-b var=boolean
Pass the module a boolean property with the name var. boolean may be either true or false.
-d var
When used in conjuction with -m, delete var from the plist specified.
When a module is loaded, the kernel checks if the module is compatible with the running kernel and will refuse to load modules that are potentially incompatible. This option disables compatibility checks. Note: an incompatible module can cause system instability, including data loss or corruption.

This option is also required for re-enabling a builtin module that was disabled using modunload(8).

-i var=integer
Pass the module an integer property with the name var and integral value integer.
-m plist
When used in conjuction with -p, merge new options with an existing property list contained in plist.
This option tells the kernel not to load an associated property list.
Output a property list suitable for loading along with a module. When using this option, you do not need to specify a module. Use -m and -d to read and modify an existing property list.
-s var=string
Pass the module a string property with the name var and string value string.


The modload utility exits with a status of 0 on success and with a nonzero status if an error occurs.


The modload command was designed to be similar in functionality to the corresponding command in SunOS 4.1.3.
August 6, 2011 NetBSD 7.0