right. i set aside swap space and added the right line to /etc/fstab but forgot to do a mkswap
..and, careless me, i didnt do a free
i used up my memory to the brim the other day, and of the 5 apps i was running at that time, the one the i would have picked if i had the choice, died. i got curious as to how linux chooses what to kill.
im not a technical person, really, but a reading few more pages of how a tool works never hurt anybody.