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perry |
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SWAPON |
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!!!SWAPON |
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NAME |
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SYNOPSIS |
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DESCRIPTION |
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NOTE |
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SEE ALSO |
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FILES |
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HISTORY |
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---- |
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!!NAME |
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swapon, swapoff - enable/disable devices and files for paging and swapping |
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!!SYNOPSIS |
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__/sbin/swapon [[-h -V] |
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/sbin/swapon -a [[-v] |
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/sbin/swapon [[-v] [[-p__ ''priority''__]__ |
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''specialfile'' __... |
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/sbin/swapon [[-s] |
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/sbin/swapoff [[-h -V] |
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/sbin/swapoff -a |
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/sbin/swapoff__ ''specialfile'' __...__ |
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!!DESCRIPTION |
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__Swapon__ is used to specify devices on which paging and |
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swapping are to take place. Calls to __swapon__ normally |
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occur in the system multi-user initialization file |
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''/etc/rc'' making all swap devices available, so that |
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the paging and swapping activity is interleaved across |
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several devices and files. |
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Normally, the first form is used: |
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__-h__ |
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Provide help |
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__-V__ |
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Display version |
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__-s__ |
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Display swap usage summary by device. This option is only |
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available if ''/proc/swaps'' exists (probably not before |
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kernel 2.1.25). |
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__-a__ |
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All devices marked as ``sw'' swap devices in |
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''/etc/fstab'' are made available. |
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__-p__ ''priority'' |
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Specify priority for __swapon__. This option is only |
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available if __swapon__ was compiled under and is used |
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under a 1.3.2 or later kernel. ''priority'' is a value |
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between 0 and 32767. See swapon(2) for a full |
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description of swap priorities. Add __pri=__''value'' |
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to the option field of ''/etc/fstab'' for use with |
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__swapon -a__. |
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__Swapoff__ disables swapping on the specified devices |
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and files, or on all swap entries in ''/etc/fstab'' when |
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the __-a__ flag is given. |
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!!NOTE |
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You should not use __swapon__ on a file with holes. Swap |
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over NFS may not work. |
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!!SEE ALSO |
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swapon(2), swapoff(2), fstab(5), |
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init(8), mkswap(8), rc(8), |
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mount(8) |
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!!FILES |
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''/dev/hd??'' standard paging devices'' |
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/dev/sd??'' standard (SCSI) paging devices'' |
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/etc/fstab'' ascii filesystem description |
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table |
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!!HISTORY |
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The __swapon__ command appeared in 4.0BSD. |
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---- |
