Nice article. I've noticed people often call the act of running a child process "shelling out" even when there's no shell involved. It's good to know what fork

Nice article. I've noticed people often call the act of running a child process "shelling out" even when there's no shell involved. It's good to know what fork & exec (& dup?) are and to grok the non-magicalness of shells (you could conceivably write your own shell just as privileged as bash - which is a normal userspace program after all).