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z/VM: CP Commands and Utilities Reference - z/VM - IBM

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IUCV if a connection to the message system service exists. If no IUCV<br />

connection exists, the responses are h<strong>and</strong>led as if IMSG were set ON.<br />

IOASSIST OFF<br />

appears for compatibility purposes.<br />

ISAM OFF<br />

appears for compatibility purposes.<br />

LINEDIT ON<br />

LINEDIT OFF<br />

indicates whether line-editing functions <strong>and</strong> symbols are to be used to edit<br />

virtual console input. ON indicates that the system line editing functions are<br />

used. OFF indicates that no character or line editing is used for the virtual<br />

machine operating system.<br />

MACHINE ESA<br />

MACHINE XA<br />

MACHINE XC<br />

indicates the architecture setting of your virtual machine:<br />

ESA indicates an ESA virtual machine, which simulates ESA/390<br />

architecture. A guest may have the capability to issue an instruction to<br />

switch the virtual machine to z/Architecture.<br />

XA indicates an XA virtual machine, which is functionally equivalent to an<br />

ESA virtual machine.<br />

XC indicates an ESA/XC architecture virtual machine.<br />

MIH ON<br />

MIH OFF<br />

ON specifies that <strong>CP</strong> h<strong>and</strong>les any detected missing interrupt conditions. OFF<br />

specifies that <strong>CP</strong> does not h<strong>and</strong>le any detected missing interrupt conditions.<br />

MSG ON<br />

MSG OFF<br />

MSG IUCV<br />

indicates whether messages sent from other users by means of the <strong>CP</strong><br />

MESSAGE comm<strong>and</strong> are to be displayed. ON specifies that messages are<br />

displayed. OFF specifies that messages are not displayed. IUCV specifies that<br />

messages are passed to the virtual machine through IUCV if a connection to<br />

the message system service exists. If no IUCV connection exists, the message<br />

is h<strong>and</strong>led as if MSG were set ON.<br />

NOPDATA ON<br />

NOPDATA OFF<br />

controls whether NOP CCWs are simulated as data transfer CCWs for spooled<br />

punches <strong>and</strong> printers of your virtual machine. ON indicates that for more than<br />

one byte of data, <strong>CP</strong> attempts to transfer the data addressed by a NOP CCW<br />

to the spool file. OFF indicates that <strong>CP</strong> simulates the NOP the same way a real<br />

device <strong>and</strong> channel does.<br />

NOTRAN OFF<br />

appears for compatibility purposes.<br />

QUERY SET<br />

PAGEX ON<br />

PAGEX OFF<br />

indicates whether the pseudo page fault facility is activated for your virtual<br />

machine. ON specifies that the facility is activated. OFF specifies the facility is<br />

deactivated.<br />

Chapter 2. <strong>CP</strong> <strong>Comm<strong>and</strong>s</strong> 993

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