NOMUTT (System Variable)

Suppresses the message display (muttering) when it wouldn't normally be suppressed.

Type:Short
Saved in:Not-saved
Initial value:0

Displaying all command line messages, and feedback, is the normal mode, but message display can be suppressed during scripts, AutoLISP routines, and so on.

0

Resumes normal muttering behavior

1

Suppresses muttering indefinitely