Very true, I always find myself trying to type "ls" whenever I use the command.com shell in windows. Wish there was a way to have bash v2+ replace the command.com shell entirely. Plus color coded filenames and autocomplete kicks ass (well, command.com has autocomplete, but it is so dodgy its hardly usefull).
That aside, I find linux a lot more robust and better to use to just get the job done, its just the learning curve is so steep.