On Mon, 18 Jul 2022 17:33:26 +0000, Seymour J Metz <[email protected]> wrote:

>How do CP and CMS handle LINERD  LOGICAL=YES?

LOGICAL=YES applies only to the CMS VSCREEN (fullscreen CMS).   The CMS SET 
LINEND command command affects whether the console handler uses LOGICAL=YES 
(SET LINEND ON) or LOGICAL=NO (SET LINEND OFF).   Applications are free to 
LINERD with either option.

This is what I meant about fullscreen applications setting their own rules.  CP 
doesn't scan the 3270 data stream for any specific content when the guest is 
using DIAGNOSE 0x58 or using native 3270 I/O.  It's up to the app or OS. 

Alan Altmark
Senior Managing z/VM Consultant
IBM Technology Services

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