A wonderful article on arstechnicaCommentThe replacement of cmd.exe under Windows is described in detail. Microsoft command shell, also known as MSH, and the project code is monad. From the comments, mshdoesn't just make cmd.exe unable to look beyond its back, but it also surpasses the various * Sh that * nix support pumps praise. For example, MSH MPs queues support not only text, but also various object instances. Look at the MSH code for this factorial: 1 .. 10 | foreach {$ F = 1} {$ f * =$ _} {$ f }. Of course, MSH supports. Net class libraries and MMC functions, which are expected.HereThere is an excellent comment. This sentence is particularly alarming: It's genuinely hard to come up with something better if there's a strong history of good enough. it's hard to develop a different perspective. in addition, apparently all UNIX programmers prefer to adapt to those problems than fix them once and for all is just a portrayal of yourself. When you encounter a problem, you are often immediately in the "solving the problem" State. To get a solution, you are complacent, but seldom hold on to it. When you carefully examine the problem, you can ask: how can this problem be solved? Why?