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What is System Programming,OS,System software,Application software,System call & kernel ---------------------------------------------------------------- [I]System Programming & Application programming Systems programming , or  system programming , is the activity of programming   computer   system software . The primary distinguishing characteristic of systems programming when compared to  application programming  is that application programming aims to produce software which provides services to the user directly (e.g.  word processor ) systems programming aims to produce software and  software platforms  which provide services to other software. Systems programming requires a great degree of hardware awareness. Its goal is to achieve efficient use of available resources. System software is the layer between the hardware and application software; It  controls the hardware , and  provides services to applications...