416 Introduction to the New Mainframe: z/VSE Basics
– D NET,CDRMS
Displays status of subarea cross domain resource managers.
– D NET,EXIT
Displays the status of VTAM exit points.
Activate/deactivate VTAM resources with VARY (V NET,) commands.
Alter the VTAM environment with the MODIFY (F VTAM,) commands.
z/VSE system programmers use products such as NetView to monitor and report
on the status of VTAM resources.
Related reading: For more information about VTAM commands see the IBM
publication VTAM Operation.
17.4.6 Background: 3270 data stream
What HTML is to a Web application and browser, the 3270 data stream is to an
SNA application and device in an LU-LU session. Specialized commands are
embedded in the data of display screen devices and printers. ...