Conversation so far:
how many links are created for sim directory after mkdir sim command is executed?
Normal usage is as follows: mkdir name_of_directory. multiple directories can be specified, and mkdir will try to create all of them.
which operating systems use the mkdir command?
Unix and Unix-like, DOS, FlexOS, OS/2, Windows, ReactOS, KolibriOS

Question: does the command have options?
Self-contained rewrite: does the mkdir command have options?