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A process can have number of threads Threads . Threads basically share resources of the associated process . they have there stack ,ragistor and program counter . rest all like files opened, code segment,heap area,static and global variables are shared.

A process can have number of threads Threads . Threads basically share resources of the associated process . they have there stack ,ragistor and program counter . rest all like files opened, code segment,heap area,static and global variables are shared

process has its own memory space and thread share a heap belong to parent process.

thread is a smallest unit of execution, a processor can shedule
process can have multiple threads

1) Process: Process is a container of thread.It is an OS level task or service. Process can communicate with each other through IPC.
2)Threads run inside a process. They share the global data and address space. A thread can easily communicate with other threads and extend control. Threads are light-weight process.
Eg. Word Processor is a process where as spell check and auto save are threads.