This is a neat little utility with a configurable display of columns and filters, to display running processes by user type. Add, remove or sort the processes listed.
Of course, its a process manager, not a task manager; select a process and right-click and you will get a menu, Stop, Kill, Term, Continue and a sub-menu for setting priority...
Hover over the CPU and memory usage bars and you get tooltip display in %.
Not until I ran this did I see just how small the Lubuntu footprint is! Now if it would do some arithmetic and total the memory footprint of whatever selection I'm running it would be perfect. RC