To define a menu key in a character-based environment, assign the edit-action Menu to a key with the KEYSTROKE variable in your COBOL configuration file. For example, to make the <F1> key a menu key, place this line into your configuration file:
KEYSTROKE Edit=Menu k1
Keys and their key codes (such as k1) are listed in Table of Keys.
You can define a menu key within your program with SET ENVIRONMENT. For example,
SET ENVIRONMENT "KEYSTROKE" TO "Edit=Menu k1"
You can define a menu key by several methods. Once a menu is active, the user can: