Go to the command prompt and type HELP at the root and you\nwill be able to see what all those commands do. MD- make\ndirectory, RD, remove directory, CD change directory, EDIT\nwill do just what it says TYPE will do just what is says\nalso. Now you type HELP in the command prompt window and\nsee for yourself what the others do. As far as the PC\nboot process go to google and do a search on POST or Power\nOn Self Test and that should have links to the entire\nprocess. Or go to a bookstore and read a book on PC\nmaintainance. It will be in there as well. Just do some\nresearch the aswers are out there.