Support for the MSGNOH (Message No Header)
Command (CP) VM/370 now allows a service virtual aachine with privilege class B to
send unformatted .essages to other users of the systea. CP neither
prefixes these unforaatted aessages with the standard aessager beader (time stamp plus source identifier) nor inserts blank lines between
consecutive lines of output. The result is a more efficient method of
co •• unication between a VM/370 user and a V8/370 service virtual machine. SRL AND PROGRAM LOGIC PUBLICATIONS The following publications contain information on Vft/370 support of the MSGNOH command: GC20-1806 Operator' Guide GC20-1807 System Program.er's Guide SY20-0884 Data Areas and Control Block Logic SY20-0886 System Logic and Problem Determination Guide, Vol. 1
1-26 IBft VM/370 Release 6 Guide
Real Inhibit Support
This support adds to CP the capability of handling a read inhibit from a
virtual machine when entering passwords and other security data. The
read inhibit facility provides the capability for entering data so that
it is not displayed or so that it is typed upon a mask. The CCi command
code OE in a virtual channel program is used to a request
for a read inhibit from a virtual machine to CP. The determination cf
terminal device type and the way in which to inhibit a read is now
handled by CP. A virtual machine may now prompt a user to input his
password during some transaction .processing without revealing the
password on the display screen or on a spooled printer output copy,
thereby enhancing SRL AND PROGRAM LOGIC PUBLICATIONS The following publications contain inforaation on the read inhibit
facility: GC20-1801 System Programmer's Guide SY20-0884 Data Areas and Control Block Logic Section 1. Summary of Changes to the va/370 System 1-27
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