RMMOD linux command manual
rmmod -- simple program to remove a module from the Linux Kernel
rmmod [-f] [-w] [-s] [-v] [modulename]
rmmod is a trivial program to remove a module from the kernel. Most
users will want to use modprobe(8) instead, with the -r option.
Print messages about what the program is doing. Usually
rmmod only prints messages if something goes wrong.
This option can be extremely dangerous: it has no effect
unless CONFIG_MODULE_FORCE_UNLOAD was set when the kernel
was compiled. With this option, you can remove modules
which are being used, or which are not designed to be
removed, or have been marked as unsafe (see lsmod(8)).
-w --wait Normally, rmmod will refuse to unload modules which are in
use. With this option, rmmod will isolate the module, and
wait until the module is no longer used. Noone new will be
able to use the module, but it's up to you to make sure the
current users eventually finish with it. See lsmod(8)) for
information on usage counts.
Send errors to the syslog, instead of standard error.
Show version of program, and exit. See below for caveats
when run on older kernels.
This version of rmmod is for kernels 2.5.48 and above. If it detects
a kernel with support for old-style modules (for which much of the
work was done in userspace), it will use previous modutils code, so it
is completely transparent to the user.
This manual page Copyright 2002, Rusty Russell, IBM Corporation.
modprobe(8), insmod(8), lsmod(8), rmmod.old(8)