Manual page for MACH_SWAPON(8)
mach_swapon - add a file for paging/swapping
options ] file
makes a file available to the system for allocation of paging
and swapping space.
It is normally invoked at boot time by the
script, and uses information kept in the
file to enable paging on a
(which must be specified as a full pathname).
The super-user can run
at any time to enable system paging on additional files.
The first form of the command is used to enable paging on
The second form of the command is used to enable paging
on all files listed in the
All. Enable paging on all files listed in the
Verbose. Print each file as it is enabled.
- -f swaptab
Read list of paging files from
- -o options
Specify a comma-separated list of optional characteristics for
the file being enabled.
can be selected from among:
Enable this file as a "preferred" paging area. The system will
preferentially allocate space in this paging file over non-preferred
Attempt to shrink the file down to the low water mark,
when paging resources are freed. If
equals zero, then the paging file does not shrink as resources
Do not grow the paging file above the high water mark,
is zero then the file will grow as large as needed.
Do not compress the swapfile. Normally, the swapfile is compressed, resulting in reduced disk usage and increased swapping performance (there is less to swap). This option will turn this feature off.
static pager file information
There is no
There is no way of listing the currently enabled paging files.
Created by unroff & hp-tools.
© by Hans-Peter Bischof. All Rights Reserved (1997).
Last modified 21/April/97