After executing the htop command, you can press F5 (or t) in order to see the tree view. But how do I collapse the tree for having a higher order view only instead of the long list of all processes?
For example, I would like to see how much of my memory is being used by Firefox and not by its infinitely many subprocesses. There is already this StackExchange Post, but it's quite old, so maybe there has been advances on this topic since then?
Is there an alternative to htop that does have this feature?
