COPY - Copies one or more files to another locationit's all some basic codes usually used for make windows tool, to know more commands you can see on CMD screen by typing help.
DEL - Deletes one or more files
ATTRIB - Display or changes file attributes
MD - Make a directory
RD - Removes a directory
REN - Renames file or files
Open Start - All Programs - Accessories - Command Prompt, then type the word help there. Or you can press Windows Logo+R on keyboard then type CMD on Run box that appear.