Jan 2. At the same time, the final version of Visual Studio. NET was made available to MSDN subscribers. NET 1. 1 was released in April 2. NET 2. 0 was released to MSDN subscribers in late October 2. November. The runtime supports Windows Server 2. Windows XP, Windows 2. NT4 SP6a and Windows ME9. Windows 9. 5 is not supported. Some parts of the framework do not work on all platforms for example, ASP. NET is only supported on XP and Windows 2. Vb Net Serialize And Deserialize Objects' title='Vb Net Serialize And Deserialize Objects' />Windows 9. ME cannot be used for development. IIS is not supported on Windows XP Home Edition, and so cannot be used to host ASP. NET. However, the ASP. NET Web Matrix web server does run on XP Home. The. NET Compact Framework is a version of the. NET Framework for mobile devices, running Windows CE or Windows Mobile. The Mono project has a version of the. NET Framework that runs on Linux. There are a number of tools, described here in ascending order of cost The. NET Framework SDK is free and includes command line compilers for C, C, and VB. NET and various other utilities to aid development. Sharp. Develop is a free IDE for C and VB. NET. Microsoft Visual Studio Express editions are cut down versions of Visual Studio, for hobbyist or novice developers. There are different versions for C, VB, web development etc. Originally the plan was to charge 4. Microsoft Exchange Hosted Filtering Login To Facebook. MS has decided to offer them as free downloads instead, at least until November 2. Microsoft Visual Studio Standard 2. Microsoft VIsual Studio Professional 2. At the top end of the price range are the Microsoft Visual Studio Team Edition for Software Developers 2. MSDN Premium and Team Suite editions. You can see the differences between the various Visual Studio versions here. I dont know what they were thinking. They certainly werent thinking of people using search tools. Its meaningless marketing nonsense. The CLI Common Language Infrastructure is the definiton of the fundamentals of the. NET framework the Common Type System CTS, metadata, the Virtual Execution Environment VES and its use of intermediate language IL, and the support of multiple programming languages via the Common Language Specification CLS. The CLI is documented through ECMA see http msdn. The CLR Common Language Runtime is Microsofts primary implementation of the CLI. Microsoft also have a shared source implementation known as ROTOR, for educational purposes, as well as the. NET Compact Framework for mobile devices. Non Microsoft CLI implementations include Mono and Dot. GNU Portable. NET. IL Intermediate Language. Also known as MSIL Microsoft Intermediate Language or CIL Common Intermediate Language. All. NET source code of any language is compiled to IL during development. The IL is then converted to machine code at the point where the software is installed, or more commonly at run time by a Just In Time JIT compiler. C is a new language designed by Microsoft to work with the. NET framework. In their Introduction to C whitepaper, Microsoft describe C as follows C is a simple, modern, object oriented, and type safe programming language derived from C and C. C pronounced C sharp is firmly planted in the C and C family tree of languages, and will immediately be familiar to C and C programmers. C aims to combine the high productivity of Visual Basic and the raw power of C. Substitute Java for C in the quote above, and youll see that the statement still works pretty well. If you are a C programmer, you might like to check out my C FAQ. The term managed is the cause of much confusion. It is used in various places within. NET, meaning slightly different things. Managed code The. NET framework provides several core run time services to the programs that run within it for example exception handling and security. For these services to work, the code must provide a minimum level of information to the runtime. Such code is called managed code. Managed data This is data that is allocated and freed by the. NET runtimes garbage collector. Managed classes This is usually referred to in the context of Managed Extensions ME for C. When using ME C, a class can be marked with the gc keyword. As the name suggests, this means that the memory for instances of the class is managed by the garbage collector, but it also means more than that. The class becomes a fully paid up member of the. NET community with the benefits and restrictions that brings. An example of a benefit is proper interop with classes written in other languages for example, a managed C class can inherit from a VB class. An example of a restriction is that a managed class can only inherit from one base class. An assembly is sometimes described as a logical. EXE or. DLL, and can be an application with a main entry point or a library. An assembly consists of one or more files dlls, exes, html files etc, and represents a group of resources, type definitions, and implementations of those types. An assembly may also contain references to other assemblies. These resources, types and references are described in a block of data called a manifest. The manifest is part of the assembly, thus making the assembly self describing. An important aspect of assemblies is that they are part of the identity of a type. The identity of a type is the assembly that houses it combined with the type name. This means, for example, that if assembly A exports a type called T, and assembly B exports a type called T, the. NET runtime sees these as two completely different types. Furthermore, dont get confused between assemblies and namespaces namespaces are merely a hierarchical way of organising type names. To the runtime, type names are type names, regardless of whether namespaces are used to organise the names. Its the assembly plus the typename regardless of whether the type name belongs to a namespace that uniquely indentifies a type to the runtime. Assemblies are also important in. NET with respect to security many of the security restrictions are enforced at the assembly boundary. Finally, assemblies are the unit of versioning in. NET more on this below. The simplest way to produce an assembly is directly from a. NET compiler. For example, the following C program public class CTest. CTest System. Console. Write. Line Hello from CTest. You can then view the contents of the assembly by running the IL Disassembler tool that comes with the. NET SDK. Alternatively you can compile your source into modules, and then combine the modules into an assembly using the assembly linker al. For the C compiler, the target module switch is used to generate a module instead of an assembly. The terms private and shared refer to how an assembly is deployed, not any intrinsic attributes of the assembly. A private assembly is normally used by a single application, and is stored in the applications directory, or a sub directory beneath.