>>> "What is the most efficient low-level method for data transfer between two processes provided by the operating system?" Unix Domain advantage is that its j

>>> "What is the most efficient low-level method for data transfer between two processes provided by the operating system?" Unix Domain advantage is that its just another re-direct, another pipe for i/o. IPC involves design-time consideration ;) https://en.wikipedia.org/wiki/Named_pipe#In_Windows https://en.wikipedia.org/wiki/Named_pipe#In_Windows