Adding a swap file in solaris

Adding a 2gb swap file

cd /usr/local/swap
mkfile 2G swapfile.0
swap -a /usr/local/swap/swapfile.0

Deleting a swap file

swap -d <swapfilename>

Making sure a swap file doesnt get lost after a reboot

Add line as follows to /etc/vfstab

/usr/local/swap/swapfile.0      -    swap     -  no  -

that’ll make it use the extra swap file when the system reboots