file 0 -
The device_name is the name of the file you created using the dd command, the start_offset is ``0'', and the minus sign indicates that the entire file is to be used as the size of the new swap space.
Reboot the system to make the new swap space available for use.
For example, the following sequence of commands configures 32MB of swap space:
# dd if=/dev/null of=swapfile oseek=32 bs=1024k
0=0 records in
0=0 records out
# ls -l swapfile
-rw-r---r-- 1 root sys 33554432 Jul 18 11:58 swapfile
# swap -a swapfile
# swap -l
path dev swaplo blocks free
/dev/swap 38,2 0 819312 819312
swapfile 38,513 0 65536 65536
See swaptab(4) for more information about the /etc/swaptab file and dd(1M) for information about the data dump command.
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