In article <1670009 at otter.HP.COM> Christopher Dollin <kers at otter.HP.COM> writes: >If -mkdir- (in a program) isn't a system call, how does -mkdir- (the program) >work? It uses mknod to make the directory, its dot ".", and its dot-dot "..". >How come it wasn't a system call anyway? Because mknod must be run by the super-user. It's purpose is creating special files.