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IBM 8100 DPCX
DPCX (Distributed Processing Control eXecutive) was an operating system for the IBM 8100 small computer system. IBM hoped it would help their installed base of IBM 3790 customers migrate to the 8100 and the DPPX operating system. It was mainly deployed to support a word processing system, ''Distributed Office Support Facility'' (DOSF) which was derived from the earlier IBM 3730 word processing system. Like DPPX, it was written in the PL/S-like PL/DS language. The applications, including much of DOSF, however, were written an interpreted language that was "compiled" using the System/370 assembler macro facility. The 8100/DPCX/DOSF system was the first type of distributed system to connect to the IBM Distributed Office Support System (DISOSS) running on data host.IBM Red Book DISOSS Later versions of DISOSS relied on SNA Distribution System ( SNADS) and eventually became peer-to-peer communication of documents which complied with Document Interchange Architecture (DIA) an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IBM PL/S
PL/S, short for Programming Language/Systems, is a "machine-oriented" programming language based on PL/I. It was developed by IBM in the late 1960s, under the name Basic Systems Language (BSL), as a replacement for assembly language on internal software projects; it included support for inline assembly and explicit control over register usage. Early projects using PL/S were the batch utility, IEHMOVE, and the Time Sharing Option of MVT, TSO. By the 1970s, IBM was rewriting its flagship operating system in PL/S. Although users frequently asked IBM to release PL/S for their use, IBM refused saying that the product was proprietary. Their concern was that open PL/S would give competitors, Amdahl, Itel (National Advanced Systems), Storage Technology Corporation, Trilogy Systems, Magnuson Computer Systems, Fujitsu, Hitachi, and other PCM vendors a competitive advantage. However, even though they refused to make available a compiler, they shipped the PL/S source code to larg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Disoss
IBM Distributed Office Support System, or DISOSS is a centralized document distribution and filing application for IBM's mainframe computers running the MVS and VSE operating systems. DISOSS runs under both the CICS transaction processing system and the IMS/DS transaction processing system, and later versions use the SNADS architecture of peer to peer communication for distributed services. Heterogeneous office systems connect through DISOSS to OfficeVision/MVS series. The IBM systems are OV/MVS, “OV/VM, OV/400, PS/CICS, PS/TSO, PS/PC, PROFS, and other Mail Systems Supporting SNADS and DIA. Only a single copy of DISOSS needs to be installed somewhere in the network to accomplish the connection.” A number of other vendors such as Digital Equipment Corporation, Hewlett-Packard, and Data General provided links to DISOSS. Functions DISOSS provides document library function with search and retrieval controlled by security based on user ID, along with document translation based ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IBM Displaywriter System
The IBM 6580 Displaywriter System is a 16-bit microcomputer that was marketed and sold by IBM's Office Products Division primarily as a word processor. Announced in June 1980 and effectively withdrawn from marketing in July 1986, the system was sold with a 5 MHz Intel 8086, 128K to 448K of RAM, a swivel-mounted monochrome CRT monitor, a detached keyboard, a detached 8" floppy disk drive enclosure with one or two drives, and a detached daisy wheel printer, or Selectric typewriter printer. The primary operating system for the Displaywriter is IBM's internally developed word processing software titled "Textpack", but UCSD p-System, CP/M-86 and MS-DOS were also offered by IBM, Digital Research and CompuSystems, respectively. Software Textpack The primary Displaywriter operating system, Textpack, is a word processing suite that was aimed at automating document creation and finalization. It was offered in six versions (1, E, 2, 3, 4, & 6) each sporting progressively more features ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Document Content Architecture
Document Content Architecture, or DCA for short, is a standard developed by IBM for text documents in the early 1980s. DCA was used on mainframe and IBM i systems, and formed the basis of DisplayWrite's file format. DCA was later extended as MO:DCA (Mixed Object Document Content Architecture), which added embedded data files. The original purpose of DCA was to provide a common document format that could be used across multiple IBM word processing platforms, such as the IBM PC, IBM mainframes, the Displaywriter System, and the IBM 5520 Administrative System. DCA defines two types of documents: * ''Revisable-Form Text'' (DCA/RFT) which is editable. * ''Final-Form Text'' (DCA/FFT) which is "formatted for a particular output device and cannot be changed." Description DCA defines a data stream representing a document. MO:DCA is the wrapper or container for various ''objects'' that can make up the document. Each object is defined by its own subordinate architecture. The archit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Document Interchange Architecture
A document is a written, drawn, presented, or memorialized representation of thought, often the manifestation of non-fictional, as well as fictional, content. The word originates from the Latin ''Documentum'', which denotes a "teaching" or "lesson": the verb ''doceō'' denotes "to teach". In the past, the word was usually used to denote written proof useful as evidence of a truth or fact. In the computer age, "document" usually denotes a primarily textual computer file, including its structure and format, e.g. fonts, colors, and images. Contemporarily, "document" is not defined by its transmission medium, e.g., paper, given the existence of electronic documents. "Documentation" is distinct because it has more denotations than "document". Documents are also distinguished from " realia", which are three-dimensional objects that would otherwise satisfy the definition of "document" because they memorialize or represent thought; documents are considered more as 2-dimensional rep ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peer-to-peer
Peer-to-peer (P2P) computing or networking is a distributed application architecture that partitions tasks or workloads between peers. Peers are equally privileged, equipotent participants in the network. They are said to form a peer-to-peer network of nodes. Peers make a portion of their resources, such as processing power, disk storage or network bandwidth, directly available to other network participants, without the need for central coordination by servers or stable hosts. Peers are both suppliers and consumers of resources, in contrast to the traditional client–server model in which the consumption and supply of resources are divided. While P2P systems had previously been used in many application domains, the architecture was popularized by the file sharing system Napster, originally released in 1999. The concept has inspired new structures and philosophies in many areas of human interaction. In such social contexts, peer-to-peer as a meme refers to the egalitarian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SNADS
SNADS or Systems Network Architecture Distribution Services is an "asynchronous distribution service that can store data for delayed delivery." SNADS uses SNA data links to allow messages and objects to be sent from system to system using the APPC protocol. It is a very robust service: once an object has been accepted by SNADS it will get to its destination. If the communication link is unavailable (down), the transmission will be held on the sending system until the link is available, at which time it is sent. If the transmission is interrupted, it will be resumed or re-sent once the communication problem is resolved. SNADS is available on several IBM platforms, including IBM i, the AS/400 or System/38. Microsoft Exchange Server 5.5 Enterprise Edition includes a gateway called ''SNA Distribution Services (SNADS) Connector'' for communication with SNADS networks. References External linksSNADS documentation on ibm.com See also *Systems Network Architecture Systems Networ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
System/370
The IBM System/370 (S/370) is a model range of IBM mainframe computers announced on June 30, 1970, as the successors to the System/360 family. The series mostly maintains backward compatibility with the S/360, allowing an easy migration path for customers; this, plus improved performance, were the dominant themes of the product announcement. In September 1990, the System/370 line was replaced with the System/390. Evolution The original System/370 line was announced on June 30, 1970, with first customer shipment of the Models 155 and 165 planned for February 1971 and April 1971 respectively. The 155 first shipped in January 1971. System/370 underwent several architectural improvements during its roughly 20-year lifetime. The following features mentioned in Principles of Operation are either optional on S/360 but standard on S/370, introduced with S/370 or added to S/370 after announcement. *Branch and Save *Channel Indirect Data Addressing *Channel-Set Switching *Clear I/O * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
English Language
English is a West Germanic language of the Indo-European language family, with its earliest forms spoken by the inhabitants of early medieval England. It is named after the Angles, one of the ancient Germanic peoples that migrated to the island of Great Britain. Existing on a dialect continuum with Scots, and then closest related to the Low Saxon and Frisian languages, English is genealogically West Germanic. However, its vocabulary is also distinctively influenced by dialects of France (about 29% of Modern English words) and Latin (also about 29%), plus some grammar and a small amount of core vocabulary influenced by Old Norse (a North Germanic language). Speakers of English are called Anglophones. The earliest forms of English, collectively known as Old English, evolved from a group of West Germanic (Ingvaeonic) dialects brought to Great Britain by Anglo-Saxon settlers in the 5th century and further mutated by Norse-speaking Viking settlers starting in the 8 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Word Processing
A word is a basic element of language that carries an objective or practical meaning, can be used on its own, and is uninterruptible. Despite the fact that language speakers often have an intuitive grasp of what a word is, there is no consensus among linguists on its definition and numerous attempts to find specific criteria of the concept remain controversial. Different standards have been proposed, depending on the theoretical background and descriptive context; these do not converge on a single definition. Some specific definitions of the term "word" are employed to convey its different meanings at different levels of description, for example based on phonological, grammatical or orthographic basis. Others suggest that the concept is simply a convention used in everyday situations. The concept of "word" is distinguished from that of a morpheme, which is the smallest unit of language that has a meaning, even if it cannot stand on its own. Words are made out of at least o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IBM DPPX
Distributed Processing Programming Executive is a discontinued operating system introduced by IBM, pre-installed on the IBM 8100 and later ported to the ES/9370. Brief history * It was first introduced on the IBM 8100 series, which was released in 1978. * 1987 saw the release of Distributed Processing Programming Executive System Product (DPPX/SP) Release 4. * In 1986, IBM decided to cease the IBM 8100 architecture to consolidate its hardware and software families. * In 1988, they released DPPX/370 which ran on the ES/9370 processors (an S/370 model). * By the end of June 1997, DPPX/370 was officially retired. Architecture DPPX was written in Programming Language for Distributed Systems (PL/DS), a PL/I-derived systems programming language, similar to the PL/S PL/S, short for Programming Language/Systems, is a "machine-oriented" programming language based on PL/I. It was developed by IBM in the late 1960s, under the name Basic Systems Language (BSL), as a replacement for as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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