# 2.11BSD#431 - /usr/man/cat8/swapon.0

    SWAPON(8)	    UNIX Programmer's Manual		SWAPON(8)

    NAME
         swapon - specify additional device for paging and swapping

    SYNOPSIS
         swapon -a
         swapon name ...

    DESCRIPTION
         Swapon is used to specify additional devices on which paging
         and swapping are to take place.  The system begins by swap-
         ping and paging on only a single device so that only one
         disk is required at bootstrap time.  Calls to swapon nor-
         mally occur in the system multi-user initialization file
         /etc/rc making all swap devices available, so that the pag-
         ing and swapping activity is interleaved across several dev-
         ices.

         Normally, the -a argument is given, causing all devices
         marked as ``sw'' swap devices in /etc/fstab to be made
         available.

         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.

    SEE ALSO
         swapon(2), init(8)

    FILES
         /dev/[ru][pk]?b	 normal paging devices

    BUGS
         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.

         swapon is not implemented in 2.11BSD.

    Printed 11/24/99	November 17, 1996			1

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