Getting Started on Mainframe with z/OS Commands and Panels

Start Date: 09/15/2019

Course Type: Common Course

Course Link: https://www.coursera.org/learn/z-commands-and-panels

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Course Syllabus

Introduction to Commands and Panels
Working with Data Sets
TSO Commands

Deep Learning Specialization on Coursera

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Z/OS z/OS introduced Variable Workload License Charges (VWLC) and Entry Workload License Charges (EWLC) which are sub-capacity billing options. VWLC and EWLC customers only pay for peak monthly z/OS usage, not for full machine capacity as with the previous OS/390 operating system. VWLC and EWLC are also available for most IBM software products running on z/OS, and their peaks are separately calculated but can never exceed the z/OS peak. To be eligible for sub-capacity licensing, a z/OS customer must be running in 64-bit mode (which requires z/Architecture hardware), must have completely eliminated OS/390 from the system, and must e-mail IBM monthly sub-capacity reports. Sub-capacity billing substantially reduces software charges for most IBM mainframe customers. Advanced Workload License Charges (AWLC) is the successor to VWLC on mainframe models starting with the zEnterprise 196, and EAWLC is an option on zEnterprise 114 models. AWLC and EAWLC offer further sub-capacity discounts.
Getting Started Getting Started is a 1979 animated short by Richard Condie and produced in Winnipeg by the National Film Board of Canada.
Mainframe audit A mainframe computer is not easy to define. Most people associate a mainframe with a large computer, but mainframes are getting smaller all the time. The terms "mainframe" and "enterprise server" are converging.Supercomputers are generally used for their speed and complexity, while mainframes are used for storing large volumes of sensitive data.
IBM mainframe The primary operating systems in use on current IBM mainframes include z/OS (which followed MVS and OS/390), z/VM (previously VM/CMS), z/VSE (which is in the DOS/360 lineage), z/TPF (a successor of Airlines Control Program), and Linux on z Systems such as SUSE Linux Enterprise Server and others. A few systems run MUSIC/SP and UTS (Mainframe UNIX). In October 2008, Sine Nomine Associates introduced OpenSolaris on System z.
Z/OS z/OS supports stable mainframe systems and standards such as CICS, COBOL, IMS, DB2, RACF, SNA, WebSphere MQ, record-oriented data access methods, REXX, CLIST, SMP/E, JCL, TSO/E, and ISPF, among others. However, z/OS also supports 64-bit Java, C, C++, and UNIX (Single UNIX Specification) APIs and applications through UNIX System Services – The Open Group certifies z/OS as a compliant UNIX operating system – with UNIX/Linux-style hierarchical HFS and zFS file systems. As a result, z/OS hosts a broad range of commercial and open source software. z/OS can communicate directly via TCP/IP, including IPv6, and includes standard HTTP servers (one from Lotus, the other Apache-derived) along with other common services such as FTP, NFS, and CIFS/SMB. Another central design philosophy is support for extremely high quality of service (QoS), even within a single operating system instance, although z/OS has built-in support for Parallel Sysplex clustering.
Getting Started Awards for "Getting Started" included the Genie Award for best animation film. The film also won awards at the Zagreb World Festival of Animated Films and the Tampere Film Festival, as well as a "Bijou" at the Canadian Short Film and Television Awards.
Linux on z Systems Linux runs on standard, general purpose mainframe CPs (Central Processors) as well as IFLs (Integrated Facility for Linux). IFLs are mainframe processors dedicated to running Linux, either natively or under a hypervisor (z/VM or KVM on z). Microcode restricts IFLs from running "traditional" workloads, such as z/OS, but they are physically identical to other z System processors. IFLs are typically less expensive to acquire from IBM than CPs.
Mainframe computer That trend started to turn around in the late 1990s as corporations found new uses for their existing mainframes and as the price of data networking collapsed in most parts of the world, encouraging trends toward more centralized computing. The growth of e-business also dramatically increased the number of back-end transactions processed by mainframe software as well as the size and throughput of databases. Batch processing, such as billing, became even more important (and larger) with the growth of e-business, and mainframes are particularly adept at large scale batch computing. Another factor currently increasing mainframe use is the development of the Linux operating system, which arrived on IBM mainframe systems in 1999 and is typically run in scores or hundreds of virtual machines on a single mainframe. Linux allows users to take advantage of open source software combined with mainframe hardware RAS. Rapid expansion and development in emerging markets, particularly People's Republic of China, is also spurring major mainframe investments to solve exceptionally difficult computing problems, e.g. providing unified, extremely high volume online transaction processing databases for 1 billion consumers across multiple industries (banking, insurance, credit reporting, government services, etc.) In late 2000, IBM introduced 64-bit z/Architecture, acquired numerous software companies such as Cognos and introduced those software products to the mainframe. IBM's quarterly and annual reports in the 2000s usually reported increasing mainframe revenues and capacity shipments. However, IBM's mainframe hardware business has not been immune to the recent overall downturn in the server hardware market or to model cycle effects. For example, in the 4th quarter of 2009, IBM's System z hardware revenues decreased by 27% year over year. But MIPS shipments increased 4% per year over the past two years. Alsop had himself photographed in 2000, symbolically eating his own words ("death of the mainframe").
Just Getting Started Just Getting Started is an album by the Canadian rock band Loverboy, released in 2007. It was their first album of original material since 1997, and their first album to feature bassist Ken Sinnaeve.
Open mainframe Open mainframe is a mainframe-class server built on industry standard components that is capable of hosting both IBM mainframe and distributed architecture platforms such as Windows Server and Linux.
Mainframe computer IBM, with z Systems, is a major manufacturer in the mainframe market. Unisys manufactures ClearPath Libra mainframes, based on earlier Burroughs MCP products and ClearPath Dorado mainframes based on Sperry Univac OS 1100 product lines. In 2000, Hitachi co-developed the zSeries z900 with IBM to share expenses, but subsequently the two companies have not collaborated on new Hitachi models. Hewlett-Packard sells its unique NonStop systems, which it acquired with Tandem Computers and which some analysts classify as mainframes. Groupe Bull's GCOS, Fujitsu (formerly Siemens) BS2000, and Fujitsu-ICL VME mainframes are still available in Europe, and Fujitsu(formerly Amdahl) GS21 mainframes globally. NEC with ACOS and Hitachi with AP8000-VOS still maintain mainframe hardware businesses in the Japanese market.
Getting Away with It Although the music was written with their first album in mind — and before their involvement with Neil Tennant — "Getting Away with It" was not included on Electronic's first LP in May 1991 (a reflection of their confidence in the newer material), although it was slotted in between tracks 4 and 5 on the international versions and the subsequent 1994 reissue on Parlophone, to bolster sales. In some territories "Getting Away with It" replaced the album track "Gangster".
World Programming System WPS is available to run on Mainframe z/OS, Windows, macOS, Linux, Linux for Arm8 64-bit, PowerLinux, Solaris, AIX and Linux on Mainframe System z.
Mainframe (comics) Right away, Mainframe attempted to establish himself as team leader. He frequently encountered resistance from Stinger (who did not know that Mainframe was a robotic lifeform). But when Mainframe was terminally damaged, exposing his secret, Stinger was one of the first to volunteer to shrink inside him (with the help of her father Ant-Man) to repair him. Later they learned that whenever Mainframe was severely injured, he would upload his personality and memories into a replacement body assembled on an orbiting satellite.
Z/OS Within each address space, z/OS typically permits the placement of only data, not code, above the 2 GB "bar". z/OS enforces this distinction primarily for performance reasons. There are no architectural impediments to allowing more than 2 GB of application code per address space. IBM has started to allow Java code running on z/OS to execute above the 2 GB bar, again for performance reasons.
Sanitary Panels Sanitary Panels is an Indian webcomic by activist Rachita Taneja. Taking a distinct feminist angle, "Sanitary Panels" comments upon social justice topics ranging from discrimination to victim blaming. Taneja started her webcomic on Facebook in June 2014 and has since accumulated over 20,000 followers.
Solar panels on spacecraft Solar panels on spacecraft supply power for two main uses:
Data set (IBM mainframe) In the context of IBM mainframe computers, a data set (IBM preferred) or dataset is a computer file having a record organization. Use of this term began with OS/360 and is still used by its successors, including the current z/OS. Documentation for these systems historically preferred this term rather than "file".
Mainframe computer In 1991, AT&T Corporation briefly owned NCR. During the same period, companies found that servers based on microcomputer designs could be deployed at a fraction of the acquisition price and offer local users much greater control over their own systems given the IT policies and practices at that time. Terminals used for interacting with mainframe systems were gradually replaced by personal computers. Consequently, demand plummeted and new mainframe installations were restricted mainly to financial services and government. In the early 1990s, there was a rough consensus among industry analysts that the mainframe was a dying market as mainframe platforms were increasingly replaced by personal computer networks. InfoWorld's Stewart Alsop famously predicted that the last mainframe would be unplugged in 1996; in 1993, he cited Cheryl Currid, a computer industry analyst as saying that the last mainframe "will stop working on December 31, 1999", a reference to the anticipated Year 2000 problem (Y2K).
OS/VS1 OS/VS1 was OS/360 MFT II with a single virtual address space; by comparison, OS/VS2 SVS was OS/360 MVT with a single virtual address space. OS/VS1 was often installed on mid-range IBM mainframe systems, such as the System/370 Model 145 and, later, the System/370 Model 148.