HP 3000 Manuals

EDIT/3000:Reference Manual

Chapter 3  EDIT/3000 COMMANDS 

EDIT/3000 is controlled by commands which specify the type of operation
performed, such as adding text (ADD command), or listing the contents of
the WORK file (LIST command).

In batch mode, commands are entered as records following the MPE/3000
:EDITOR command; in interactive session, EDIT/3000 displays a prompt
character (/) after it begins execution and the commands are entered from
the terminal.

MPE/iX 5.0 Documentation