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  • One clarification, you say "As per ... this process runs in the same address space as the caller (i.e. A)." That's not correct. If B execs a shell to run a script, then the shell replaces B in B's address space, not A's. Commented Nov 27, 2019 at 3:44
  • Got it. Thanks for the clarification @AndyDalton Commented Nov 28, 2019 at 5:20