Your function called "up" reminds me of long-ago-used Novell Netware version, in which, IIRC, you could do: cd .. # to go one level up cd ... # to go two leve

Your function called "up" reminds me of long-ago-used Novell Netware version, in which, IIRC, you could do: cd .. # to go one level up cd ... # to go two levels up (note: 3 dots, not 4, makes sense when you think of "cd ." and "cd ..") # and so on.