What is IPC (Inter-Process Communication)?
What is IPC (Inter-Process Communication)? Modern operating systems run many processes at the same time. But often, these processes need to talk to each other — share data, send signals, or synchronize actions. This is where IPC — Inter-Process Communication comes in. It’s the set of mechanisms that allows processes to exchange information safely. Why do we need IPC? To share data (e.g., a browser rendering process sends results to the UI process). To coordinate actions (e.g., a parent process waits for a child process to finish). To send signals/events (e.g., one service notifies another about new data). Without IPC, each process would live in its own isolated world. ...