### Process Control ````java // Get PIDs of own or started processes out.println("Your pid is " + ProcessHandle.current().pid()); Process p = Runtime.getRuntime().exec("sleep 1h"); ProcessHandle h = ProcessHandle.of(p.pid()) // Optional .orElseThrow(IllegalStateException::new); // Do things on exiting process // CompletableFuture h.onExit().thenRun( ()-> out.println("Sleeper exited") ); // Get inf