Loosely ordered with the commands I use most towards the top. Sublime also offer full documentation.
Ctrl+C | Cmd+C | copy current line (if no selection) |
Ctrl+X | Cmd+X | cut current line (if no selection) |
Ctrl+⇧+K | Ctrl+Shift+K | delete line |
Ctrl+↩ | Cmd+Enter | insert line after |