And sure enough, they do. When I fork() a process, I get a return code which may be a child pid. I can hold it as a variable, put it in a hashmap, save it to

And sure enough, they do. When I fork() a process, I get a return code which may be a child pid. I can hold it as a variable, put it in a hashmap, save it to a file, output it to a logging stream, kill it, or send a signal to it. The API ain't perfect but the world has not come crashing down upon us due to this in the past half-century as far as I have seen.