This class is for use by client applications to obtain basic properties of a running z/OS operating system.

• CIM_OperatingSystem
• ← IBMzOS_OperatingSystem

The module name of the CMPI provider that is registered for a CIM class which is used by the cimprovider command line tool for the administration of CMPI providers is

• IBMzOS_OperatingSystemProviderModule

The physical name of a CMPI provider’s shared object library as it is stored in the hierarchical file system is

• libcmpiOSBase_OperatingSystemProvider.so

The following properties are common for eServer™:

string Name [key]

The name of the z/OS operating system.

uint16 OperationalStatus[]

Overall system status.

uint16 OSType

Always 68 (‘z/OS’).

string Version

Version, release and modification of the operating system in the format of "VV.RR.MM". For example, for z/OS V1.7.0, this will return "01.07.00".

datetime LastBootUpTime

Time when the operating system was IPLed.

datetime LocalDateTime

Local time of the operating system

sint16 CurrentTimeZone

Time zone for the operating system, offset in minutes from GMT.

uint32 NumberOfUsers

The number of currently logged on TSO and UNIX System Services users.

uint32 NumberOfProcesses

Total number of UNIX processes and active address spaces.

uint32 MaxNumberOfProcesses

The maximum number of processes configured in MaxProcSys.

uint64 MaxProcessMemorySize

The maximum number of KBytes of memory that can be allocated to a process (RLIMIT_AS).

uint64 TotalVirtualMemorySize

Total number of KBytes of virtual memory available to the operating system.

uint64 FreeVirtualMemory

Number of KBytes of virtual memory currently unused and available.

uint64 FreePhysicalMemory

Number of KBytes of physical memory currently unused and available.

uint64 TotalVisibleMemorySize

The total amount of physical memory (in KBytes) available to the operating system.

uint64 SizeStoredInPagingFiles

The total number of KBytes that can be stored in the operating system's page data sets.

uint64 FreeSpaceInPagingFiles

The total number of KBytes currently free in the operating system's page data sets.

The following properties have data that may be specific to z/OS, or may map to z/OS specific attributes.

string LanguageEdition

eServer specific extension for the language version of the OS. For z/OS always returns ‘en-US’.

string CodeSet

eServer specific extension for the default OS code page. For z/OS this returns the code page for the CIM server process.

uint32 DefaultPageSize

eServer specific extension. The default size of pages used by the virtual memory management in units of bytes. Always 4096 for z/OS.

string SysplexName

The name of the z/OS Sysplex to which this operating system belongs.

string FMID

Function modification identifier of the z/OS operating system.

uint32 LastBootUpDuration

Indicates the time in seconds used to complete the IPL.

string IPLProfile[]

HMC profile from which the operating system was IPLed. IPLProfile contains 4 elements:

ipaiodfu

IODF unit address

ipaloads

LOADxx suffix

ipapromt

Operator prompt flag

ipanucid

Nucleus ID

string sequentialReleaseNumber

Release number of the operating system as an ever increasing number, e.g. 21.00 for z/OS 1.11.