SYSOPT parameter: Difference between revisions

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<p>SYSOPT cannot be reset by the system manager.  </p>
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[[Category:System Parameters]]
[[Category:System parameters]]
[[Category:Parameters]]
[[Category:Parameters]]

Revision as of 14:39, 19 April 2013

Summary

Default value
128 (X'80')
Parameter type
System
Where set

In z/OS, the SYSOPT parameter must always be set via the PARM field in the EXEC card (see the Model 204 System Manager's Guide), using the parameters passed by the operating system when Model 204 is invoked.

In z/VM, the SYSOPT parameter is stacked in the EXEC that issues all the FILEDEFs.

In z/VSE, the SYSOPT parameter is passed in the UPSI statement.

Related products
All
Introduced
Model 204 V6.1 or earlier

Description

The system options

Valid settings of SYSOPT are (options can be summed):

Hex settingDecimal settingMeaning
X'80' 128 Write to audit trail and/or journal.
X'40' 64 Force an ABEND without a dump at termination when the return code is not zero.
X'20' 32 Include RK lines in the audit trail and/or the journal.
X'10' 16Require login.
X'08' 8 Perform DISCONNECT during logout (not effective for terminals connected to Model 204 through CRAM).
X'04' 4Execute Model 204 data definition commands within a particular run of Model 204 only through the File Management facility of Dictionary.
X'02' 2 Open CCAGRP for use of permanent file groups.
X'01' 1 Open CCASYS during initialization

Setting option 4 restricts the use of Model 204 data definition commands within a particular Model 204 run. When the SYSOPT value includes option 4, the following commands can be executed only through the File Management facility of Dictionary/204:

Commands restricted by option 4
CREATE FILESECURE FILE
INITIALIZEDESECURE FILE
DEFINE FIELDINCREASE
REDEFINEDECREASE
DELETE FIELDRESET
RENAME FIELD

The RESET option also restricts the resetting of any resettable file parameters except FISTAT. The following resettable file parameters are restricted:

Command restriction by the RESET option
BRESERVEPRCLDEF
DRESERVEADDLVL
FOPTREADLVL
FRCVOPTSELLVL
OPENCTLUPDTLVL
PRIVDEFVERIFY

SYSOPT cannot be reset by the system manager.