How to create an Assembly in .Net

I will show here how to create a simple dll in .net using visual studio 2010, and to link it with other exe.
This may help a .net newbie like me.

Step 1: Create a class library

Step 2: Create a Console application

Step 3: Link the dynamic library

Use add() and sub() methods

Step 4:  Build and Run the project

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Learn Microsoft's PowerShell

Nice tutorial on Power shell: read

Why do we need PowerShell:

 Traditionally, an Administrator would launch the GUI, select the service, and then either stop or start it. Doesn't seem like a big deal until you are asked to stop a service on multiple computers. Through PowerShell Scripting you will be able to start, stop, and change status types of a service on multiple computers without much effort. Write a script, run-it, and then kick you feet up on the desk.

.Net - Difference between Assembly and Namespace

Assembly is group of namespace.