Increase space between two directories from “ls” I recently switched to Mac from Ubuntu and I've still had a quite a lot to figure out.

For iTerm2, how to adjust the space between files/directories? The following screenshot shows what it looks like after I did "ls". As you can see, the two directories "mathematica" and "python" are very close;
The columns are equal sizes, it's just that the word is longer and therefore uses more of the column width. It is not possible to change the column width.

To print ls in a single column, run ls -l.