New answers tagged file-association
The easiest way to do is using the nautilus files not sure if it works for others too select the type of file you want right click and select properties (Alt+Enter is the shortcut) The choose the option open with and then select the one you want as you see here I use atom by default you can also select sublime from the recommended applications Command ...
One workaround is to create an useraction (Useractions > Manage user action) that does: xdg-open %aCurrent%; and keymap it (Settings > Configure Shortcuts) to something like Ctrl + Enter. Mapping to just Enter does not seem possible. Works because Ubuntu seems to follow freedesktop.org and use the same apps as xdg-open.
Top 50 recent answers are included