The Command Shell is an Operations Manager specific implementation of PowerShell. PowerShell of course is Microsoft’s extensible command line interface and scripting language, available for Windows XP ...
TLDR and Cheat don't replace man pages; they complement them. They're perfect for day-to-day learning and quick reference ...
Task Manager is the place where you can find all the programs, processes, startup apps, and services running on your system. It is where you can keep an eye on every activity going on your Windows PC.