how to minimize/maximize or position window of CAT?
(Ubuntu 16.04)
http://i.imgur.com/3sAwnOJ.pngno more buttons for this available, they disappeared and CAT window (-size/place) is frozen on desktop
thx
Are you logged in on an exchange? Then maybe its window is minimized on the bottom.
But your ram usage is crazy.

Maybe something went wrong. Try a restart.
On my Linux Mint it runs flawless and takes just 48 MB of ram for 2 exchanges.