Control-Alt-Delete is a Microsoft Windows shortcut that calls Task Manager, which contains list of launched apps, list of executing processes, how much CPU and Memory they take. Windows users utilize this shortcut in case PC is slowing down or freezes that is more often on the platform rather than on Mac OS X.
Even though, such issues are not frequent on Mac, many users that switched from PC, try to find it. Unfortunately, on Mac there is no 100% similar stuff as Task Manager. But it’s divided in two parts.
Force Quit Application
Many users use Task Manager on Windows mostly to quit apps that not respond. For this reason on Mac OS X there is shortcut that call Force Quit Applications manager. Press ⌘+ ⌥+ESC (command+alt(option)+escape) to call this window.
This is another part of Mac task manager analogue. It could be find among your applications in Other folder:
Here you can see different analytics about your Mac workflow. Such as CPU, Memory, Disk, Energy and Network Usage.
You can use Activity Monitor if you need information about your Mac work dynamics.
Memory Cleaner X
Memory Cleaner X is a free application that speeds up your Mac by cleaning inactive memory. Also it combines Force Quit Applications manager and most critical part of Activity Monitor – RAM space taken by an individual app. Memory Cleaner X shows you how much RAM is using right now, how much memory every app use and allows you to quit and force quit apps.