This Minecraft tutorial explains how to use the /give command with screenshots and step-by-step instructions. You can give a player any item whenever you want using the /give command in Minecraft.
so you don't need to worry about the path. DOS and some other systems allow relative paths that start with a drive prefix. For example, C:foo.exe refers to foo.exe in the current directory on drive C, so you should look up the current directory on C: and use that...