[Miscellaneous] Important: The [Miscellaneous] parameters have been retained for compatibility, but should not be used when building new applications. This topic describes the Compatibility Settings parameters found in the [Miscellaneous] section of the CPF. AsyncDisconnectErr – Allow processes to receive disconnect errors asynchronously. AsynchError – Allow processes to receive asynchronous errors. BreakMode – Specify programmer mode response to the BREAK command. CollectResourceStats – Allow InterSystems IRIS® data platform to collect instance resource statistics. DisconnectErr – Specify how processes respond to a disconnect. FileMode – Allow writing to a non-existent file. GlobalKillEnabled – Allow KILL of an unsubscripted global. IEEEError – Specify whether $DOUBLE returns INF and NAN values instance-wide. LicenseAltHeaders – Use an alternative set of HTTP headers for client addresses. LineRecall – Allow command line recall for READ commands. ListFormat – Specify the compression format for values in a list. LogRollback – Allow logging for transaction rollbacks. MVDefined – Not in use. NodeNameInPid – Specify behavior when InterSystems IRIS® data platform references the special variable $JOB. NullSubscripts – Allow null subscripts on global references. OldZU5 – Specify whether to clear global vectors when switching namespace. OpenMode – Specify read/write mode to use when opening sequential files. PopError – Specify when to pop error handlers off the stack. RefInKind – Specify how $NAME and $QUERY handle extended global references. ScientificNotation – Allow lowercase e as scientific notation symbol instance-wide. SetZEOF – Specify the behavior when reading a sequential file and encountering an unexpected end-of-file error. ShutDownLogErrors – Allow writing of InterSystems IRIS® data platform system error log entries to the messages.log file on shutdown. StopID – Not in use. SwitchOSdir – Disallow switching current working directories when changing namespaces. SynchCommit – Disable synchronizing TCOMMIT with the corresponding journal write operation. TelnetNUL – Suppress Telnet NUL at end-of-line for Telnet transmission. Windows systems only. TruncateOverflow – Suppress the <MAXNUMBER> error on numeric overflow. Undefined – Specify the response when ObjectScript attempts to fetch a variable that does not exist. UseNagleAlgorithm – Allow InterSystems IRIS® data platform to use the Nagle algorithm for Telnet. ViewPastData – Allow $VIEW to examine data outside of InterSystems IRIS® data platform memory area. ZDateNull – Specify the $ZDATE response to an invalid value.