rmmod(8)                                                              rmmod(8)

NAME
rmmod — simple program to remove a module from the Linux Kernel

SYNOPSIS
rmmod [-f]  [-w]  [-s]  [-v]  [modulename]

DESCRIPTION
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.

OPTIONS
-v –verbose
Print messages about what the program is doing.  Usually rmmod only prints messages if something goes
wrong.

-f –force
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.

-s –syslog
Send errors to the syslog, instead of standard error.

-V –version
Show version of program, and exit.  See below for caveats when run on older kernels.

BACKWARDS COMPATIBILITY

This version of rmmod is for kernels 2.5.48 and above.  If it detects a kernel with support for old-style  mod-
ules  (for  which much of the work was done in userspace), it will attempt to run rmmod.old in its place, so it
is completely transparent to the user.

COPYRIGHT
This manual page Copyright 2002, Rusty Russell, IBM Corporation.

SEE ALSO
modprobe(8), insmod(8), lsmod(8), rmmod.old(8)

rmmod(8)

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