Why there is not any course to learn terminal/command line arguments

Answer 1

Because terminal is rather a tool and not a programming language.

Answer 2

I guess he's talking about courses on how to use cmd or terminal. 「ＨＡＰＰＹ ＴＯ ＨＥＬＰ」

Answer 3

right i am talking about courses on how to use cmd or terminal