.\" Copyright (c) 1980, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\" %sccs.include.redist.man%
.\" @(#)swapon.8 8.1 (Berkeley) %G%
.Nd "specify additional device for paging and swapping"
is used to specify additional devices on which paging and swapping
The system begins by swapping and paging on only a single device
so that only one disk is required at bootstrap time.
normally occur in the system multi-user initialization file
making all swap devices available, so that the paging and swapping
activity is interleaved across several devices.
Normally, the first form is used:
All devices marked as ``sw''
The second form gives individual block devices as given
in the system swap configuration table. The call makes only this space
available to the system for swap allocation.
.Bl -tag -width /dev/[ru][pk]?b -compact
ascii filesystem description table
There is no way to stop paging and swapping on a device.
It is therefore not possible to make use of devices which may be
dismounted during system operation.