Most of the standard key commands work in emacs. It also uses the Control or Meta (Alt) key combined with a letter key (i.e. C-x, Meta-C-s) to enter commands. Many of these commands are also included in the menu. The following is a list of the most useful commands for editing files:
Table 1. Basic Commands
| C-h | Help |
| C-h m | Information on current mode |
| C-x-s | Save the file |
| C-x-c | Save all buffers and exit emacs |
| C-x u | Undo the last edit |
| C-g | Quit current command operation |
| C-v | Move cursor to next screen |
| Meta-v | Move cursor back to previous screen |
| C-s | Search for characters after the cursor |
| C-r | Search for characters back from/prior to the cursor |
| C-x 1 | Keep window containing cursor; remove others |
| C-c-v | Validate the document |