1.\" $NetBSD: modunload.8,v 1.20 2010/12/14 16:24:00 jruoho Exp $ 2.\" 3.\" Copyright (c) 1993 Christopher G. Demetriou 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed for the 17.\" NetBSD Project. See http://www.NetBSD.org/ for 18.\" information about NetBSD. 19.\" 4. The name of the author may not be used to endorse or promote products 20.\" derived from this software without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32.\" 33.\" <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 34.\" 35.Dd December 14, 2010 36.Dt MODUNLOAD 8 37.Os 38.Sh NAME 39.Nm modunload 40.Nd unload a kernel module 41.Sh SYNOPSIS 42.Nm 43.Ar name 44\&... 45.Sh DESCRIPTION 46The 47.Nm 48utility unloads a loadable kernel module from a running system. 49.Pp 50.Ar name 51is name of the module to be unloaded, as shown by 52.Xr modstat 8 . 53.Pp 54Builtin modules will not be unloaded from memory, but they will be 55disabled. 56They can be re-enabled using 57.Xr modload 8 . 58.Sh DIAGNOSTICS 59The 60.Nm 61utility exits with a status of 0 on success 62and with a nonzero status if an error occurs. 63.Sh SEE ALSO 64.Xr module 7 , 65.Xr modload 8 , 66.Xr modstat 8 67.Sh HISTORY 68The 69.Nm 70command was designed to be similar in functionality 71to the corresponding command in 72.Tn "SunOS 4.1.3" . 73