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Lab sheet for 241-201 2SA02 UNIX-Commands

C# on .NET framework supports parallel execution of code through multithreading. A thread is an independent execution path, able to run simultaneously with other threads.

A C# program starts in a single thread created automatically by the CLR and operating system (the “main” thread), and is made multi-threaded by creating additional threads.

Multithreading is managed internally by a thread scheduler, a function the CLR typically delegates to the operating system. A thread scheduler ensures all active threads are allocated appropriate execution time, and that threads that are waiting or blocked – for instance – on an exclusive lock, or on user input – do not consume CPU time.

An XML document has two required parts. The first is the definition of what data should be in the document. The second is the document itself. An optional third part shows how the data is to be displayed on the browser. Defining the contents of an XML document is usually done using a notation called DTD (http://www.w3.org/TR/REC-xml).