| To send mail | mail username | 
| To read mail | mail | 
| To respond to mail | r [messagenumber] | 
| To use the editor while sending mail | ~v | 
| To get help while sending mail | ~? | 
| To get help while reading mail | ? | 
| To save a message to a file | s [messagenumber] filename | 
| To cancel a message you are sending | <Del> <Del> | 
| To look at message headers | h | 
| To see the next screen of message headers | z | 
| To return to the previous screen of message headers | z- | 
| To use the vi editor to compose a message | ~v | 
| To delete a message | d [messagenumber] | 
| To delete this message and display the next | dp | 
| To recover messages deleted within this session | u [messagenumbers] | 
| To create an alias from within mail | a aliasnames usernames | 
| To quit mail | q |