zOS consists of some components
which comprise the Base Control Program (most of which are inherited from
the original Operating System designed in the early 1960s) . There are also
various optional components which may be installed. This page lists
what we are using at HealthServe!|
Foundation for various data-handling facitlities
Hardware Error monitoring and logging
DASD (disk)routines: service, error detection, maintenance
Interactive interface for users: sits on top of TSO/E
Handles Spooled output and input
Time-sharing support for users
Command Line interface to OS
Foundation for ISPF
First Failure Support Technology
Captures errors, enviroments, dumps
Controls error handling
Transparent to users - interface between 327x terminals and VTAM (SNA)
Support for building and maintaining hardware configurations
Runtime library of components common to all supported programming languages.
X/OPEN UNIX 95 functions
Full UNIX Shell, Utilities and Kernel
EMAIL (we do not use this)
Legacy communications session managment
OSA Support Facility:
Configration and Control for OSA hardware
(Interface between z900 and Ethernet)
IBM HTTP Server:
We have website as a demonstration.
Access is controlled via RACF
This provides TSO access to documentation (but our 'library' is empty)
Specific docments (manuals) must be purchased.
SecureWay Security Server:
RACF - Controls TSO access and access to datasets.
Could control access to CICS if Invision were coded to use it.
Systems Management Services:
General file-handling services
Removable Media services (Tapes)
System-controlled creation, migration, restore of files
Disk residence of 'tape' datasets
Software event capture/logging for analysis purposes
Operator interface to JES2 and some general OS functions