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 |