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    <p><strong>Process</strong><br> Each process provides the resources needed to execute a program. A process has a virtual address space, executable code, open handles to system objects, a security context, a unique process identifier, environment variables, a priority class, minimum and maximum working set sizes, and at least one thread of execution. Each process is started with a single thread, often called the primary thread, but can create additional threads from any of its threads.</p> <p><strong>Thread</strong><br> A thread is an entity within a process that can be scheduled for execution. All threads of a process share its virtual address space and system resources. In addition, each thread maintains exception handlers, a scheduling priority, thread local storage, a unique thread identifier, and a set of structures the system will use to save the thread context until it is scheduled. The thread context includes the thread's set of machine registers, the kernel stack, a thread environment block, and a user stack in the address space of the thread's process. Threads can also have their own security context, which can be used for impersonating clients.</p> <hr> <p>Found this on MSDN here:<br> <a href="http://msdn.microsoft.com/en-us/library/windows/desktop/ms681917%28v=vs.85%29.aspx" rel="noreferrer"><strong>About Processes and Threads</strong></a> </p> <blockquote> <p>Microsoft Windows supports preemptive multitasking, which creates the effect of simultaneous execution of multiple threads from multiple processes. On a multiprocessor computer, the system can simultaneously execute as many threads as there are processors on the computer.</p> </blockquote>
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    1. POWhat is the difference between a process and a thread?
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    1. USScott Langham
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    1. COlets add thread mostly using by programmer in virtual machine's memory environment. but process domain is operating system.
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    2. COFor people who want to know why cant you format a floppy at the same time : http://stackoverflow.com/questions/20708707/unexplain-comment-of-differences-between-thread-and-processes
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