What is the difference between a 'thread' and a 'process'?
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Answer Posted / seshadri sethi
A process is a collection of virtual memory space, code,
data, and system resources. A thread is code that is to be
serially executed within a process. A processor executes
threads, not processes, so each application has at least one
process, and a process always has at least one thread of
execution, known as the primary thread. A process can have
multiple threads in addition to the primary thread
Thread – is stream of executable code within process. They
are light weight process. All thread with in a process
share process instruction,code & data segment,open file
descriptor,signal handler,userID and GroupID. Thread has its
own set of register including program counter,stack pointer
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