This is part of WINE. You can access it via
wine taskmgr
WINEPREFIX=/path/to/prefix wine taskmgr
This is part of WINE, too. You can access it with
wine cmd
konsole -e 'wine cmd'
xterm -e 'wine cmd'
Bottles definitely seems better than dealing with this manually, to be clear. But those two features are part of WINE itself! :)