How to make PyCharm always show line numbers

Question

I cannot seem to be able to find the setting to enable line numbers for all files, but I have to always right click and enable this on per file basis.

There mu

Answer 1

For version 4.0, 4.5 on Windows

File -> Settings

Then,

Editor -> General -> Appearance -> Show line numbers

For version 4.0 on Mac OSX

PyCharm-->Preferences

Then,

Editor-->General-->Appearance-->checkbox: "Show line numbers"