`start .` would also open the current directory. if memory doesn't fail me (I'm now a kubuntu user), start is the equivalent of double-clicking, so `start somef

`start .` would also open the current directory. if memory doesn't fail me (I'm now a kubuntu user), start is the equivalent of double-clicking, so `start somefile.txt` would mimic double-click on somefile.txt, `start .` would double-click on the current directory, and so on