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C# - Environment

       

Introduction to .NET Framework 


What is .NetFramework?

.NetFramework is a software framework developed by Microsoft for developing applications(that run on Microsoft platform such as Windows operating system and Windows phone). .Net Framework consists of Framework Class library, Common language Runtime and Assemblies. 

Versions of .Net Framework
Version
number
CLR version
Release
date
Development tool
Windows
1.0
1.0
2002-02-13
VisualStudio .Net
XP
1.0
1.0
2003-04-24
VisualStudio .Net 2003
XP
2.0
2.0
2005-11-07
VisualStudio .Net 2005
XP
3.0
2.0
2006-11-06
Expression Blend
Vista
3.5
2.0
2007-11-19
VisualStudio 2008
Windows 7, 8, 8.1, 10
4.0
4.0
2010-04-12
VisualStudio 2010
NA
4.5
4.0
2012-08-15
VisualStudio 2012
8
4.5.1
4.0
2013-10-17
VisualStudio 2013
8.1
4.6
4.0
2015-07-20
VisualStudio 2015
10







How it works?


Suppose we have written a in .Net environment. Lets take the example of our first written code. 
       



There are steps that defines how a structured code(code that gets compiled in .Net environment) gets converted into an executable.

step1: The code is written using a .NET-compatible language such as C#



step2: That code is compiled into CIL, which is stored in an assembly

step3: When this code is executed (either in its own right if it is an executable or when
it is used from other code), it must first be compiled into native code using a
JIT compiler.



step4: The native code is executed in the context of the managed CLR, along with any
other running applications or processes.




Architecture of .Net Framework


.Net Framework consists of three main parts - CLI or Common Language Infrastructure, 
Assemblies, Class libraries. 

CLI or Common Language Infrastructure

Common Language Infrastructure provides language independent development environment. Apart from that CLI also helps in 




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