This article is from the Apple II GNO FAQ, by Devin Reade with numerous contributions by others.
A#4.5: Whichever one you want. Many editors work under GNO. Some of the more popular ones are emacs (MicroEMACS), vi (Stevie), ORCA/Editor, Edit-16, and Rose. Many of these editors cannot be suspended from the shell. Some have the "eating keystrokes" problem (see Q#14.1).
 
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