Operating systems in C

8.) For the Windows cmd.exe shell, the "dir" command is a builtin command co thea and. exe process doen the vork for the directory listing (there is no dir.exe program). On the other hand, the "sort" and "find" commands are not builtin (so there are sort.exe and find.exe programs). For each of the following cmd.exe command-lines, draw a picture of all the relevant processes that shows the difference between a pipeline with a buitin command and a pipeline with non builtin commands. a) z:\> dir | find "oops" b) z:\> sort /?|find "oops