I am new to windows. How can I learn all of the windows command prompts like \\x-xxxxxxxxxxxx\c$\

My background is mainframe. I am now working in a position where windows is the main tool. I need to know of a book that will teach me everything and all of the windows command prompts. An example is \\x=xxxxxxxxxxx\c$\. I want to learn / know all of the commands and what they are for. Like is someone emails you an executable file as a doc file what command can I use to copy it over to a server as an exe? So, again, recommend a good book for dummies that will move me forward.

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