SUBJECT - replace the SUBJECT field
Usage: SUBJECT [text]
The SUBJECT command replaces the existing subject field with any other
text you choose. The SUBJECT command with no text eliminates the field.
Example:
Send>display subject
Subject: Some really wonderful news
Send>subject Nothing much
Send>display subject
Subject: Nothing much
For more help, type "help" and one of these topics:
display erase header-field