Set command line edit/recall facility parameters.
CEDIT('off') turns off command line recall/edit.
CEDIT('on') turns command line recall/edit back on.
CEDIT('vms') chooses VMS key definitions.
CEDIT('emacs') returns to the default Emacs key definitions.
Here is a table that shows which keystrokes are available
using the command line editor:
Previous line: ^p
Next line: ^n
One character left: ^b
One character right: ^f
Cursor word left: esc b, ^l
Cursor word right: esc f, ^r
Cursor to beginning of line: ^a
Cursor to end of line: ^e
Cancel line: ^u
In place delete: ^d
Insert toggle: ^t
Delete to end of line: ^k
Type CEDIT.M for more information.
The 'emacs' option is always in effect for MS-Windows, in
addition to its normal fixed key bindings.