10.What is stub?

Answer Posted / sajan

A stub is a small program routine that substitutes for a
longer program, possibly to be loaded later or that is
located remotely. For example, a program that uses Remote
Procedure Calls ( RPC ) is compiled with stubs that
substitute for the program that provides a requested
procedure. The stub accepts the request and then forwards it
(through another program) to the remote procedure. When that
procedure has completed its service, it returns the results
or other status to the stub which passes it back to the
program that made the request.

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