How to add a swap file in Solaris

1. # mkfile 10m /tmp2/swapfile
2. # swap -a /tmp2/swapfile
3. # swap -l

   • swapfile             dev  swaplo blocks   free
     /dev/dsk/c0d0s1     102,1       8 303400 303400
     /dev/dsk/c0d1s6     102,70      8  21160  21160
     /tmp2/swapfile        -        8  20472  20472
       

4. (Optional, if need to make the change permanent)
   1. Edit /etc/vfstab

              /tmp2/swapfile  -       -       swap    -       no      -
        

   2. reboot