Features

Based on UNIX SystemV by AT&T Be ____ epee Provides standard UNIX SystemV user environment a a Offers portability of UNIX-based applications a = —s = Allows the PRIMOS® and UNIXto operate simultaneously

Provides common access to PRIMOS and UNIX commandsandutilities a Works with other Prime® products and with spe- cial applications developed for Prime systems

Provides integration between PLII PRIMIX™software and PRIMOS Subset G S B a= = Usesvirtual memory technology from Prime Pascal FORTRAN77

Includes the Prime compiler

a Includes both AT&T Bourne and Berkeley C BASIC/ FORTRAN shells VM 66

Provides enhanced security COBOL RPGIE 74 a

Operates with PRIMENET™networking software and transparent remote files Macro CPL Programming Assembler iS ee Language (PMA) Available on all 50 Series™ systems Description File System The PRIMIX operating systemis a programming PRIMIXfile system software instructions sup- environmentthat provides UNIX capabilities on port integration of UNIXfiles into the Prime all 50 Series systems. Based on UNIX SystemV, system. Both PRIMIX and PRIMOS may access PRIMIX complements the PRIMOSoperating all PRIMIXfiles and data. In additionto the wo system by enabling them to coexist on the same PRIMIXfile security system, system administra- 50 Series computer from Prime. tors can take advantage of the Access Control PRIMIX users receive ‘the best of both worlds” List (ACL] system within PRIMOS,whichcon- from the two operating systems. Under PRIMOS, trols accesstofiles and directories through user auser can access all of the powerful program identification. PRIMOSalso provides, through a development and text managementtools of quota system,theability to limit disk usage by UNIX. UNIXusers, in turn, can tap into the directory. wealth of software that runs on the 50 Series, as well as employing the manysecurity and pro- grammingbenefits of PRIMOS. C Compiler PRIMIX provides the standard system calls, libraries and shells of UNIX.In addition, PRIMIX PRIMIX includes the Prime C compiler, which uses a sophisticated system implementstotally the C language developed by based on segmentation and demandpaging. The Brian Kernighan and at . UNIXhierarchicalfile system of PRIMIX is The compiler incorporates both the Berkeley integrated with the PRIMOSfile system and and new UNIX extensions while remainingfully benefits from the PRIMOSfile system stability. compatible with UNIX Version 7, System III, The PRIMIX userhasaccessto the full line of SystemV, as well as Version 6 C compiler. As a Prime communications products, languages and new implementation, Prime C compiler takes ~ utilities. Likewise the PRIMOSuserbenefits advantage of the Prime systemsarchitecture from the availability of UNIX calls and utilities. and provides file and object code compatability PRIMIX and PRIMOSaretotally compatible; with Prime’s core language products, including from the PRIMIX environment, the user can FORTRAN66, FORTRAN 77, PL/I Subset G, execute any PRIMOS commandorutility, and COBOL 74, Pascal and RPG II. vice versa. The C compileris small andflexible, yet powerful enough to do systems programming logically and efficiently. It provides comprehen- Utilities sive error diagnostics and produceslisting, objec’ expandedlistings, and cross reference files. The ~ PRIMIXincludes an extensive set of UNIX C compiler’s explicit messagesfully describe all utilities that support program development, errors and warnings. These messages and the compiler development, text processing and compiler’s excellent syntactic error recovery communications. ensure accurate detection and reportingof pro- PRIMIX includes the Source Code Control gram errors. As a result, programming can be System (SCCS), the vi editor, and the Jint and done quickly andeasily. yacc utilities favored for program development Applications developed in Prime C benefit environments. Text processing and typesetting from complete access to all Prime data manage- can be performedusing the nroff and troff ment products that support the standard call utilities. Vucp and mail provide UNIX com- interface (including PRISAM™and MIDAS- ed munication capabilities. PLUS™data managementsoftware, and Prime PRIMIX supports two shells, the UNIX com- DBMS) andthe PL/I style condition mechanism. mandline interpreters. In addition to the Bourne C is an integral part of Prime’s software product shell developed at Bell Labs, the Berkeley C shell offering andis consistent with Prime’s other is also included. Besides interpreting commands, compilers. As a result, the C compiler handles the shells act as high-level programminglan- the complex interfaces between mixed language guages. The shell lets users perform Berkeley- proceduresandoffersfile flexibility and style programming, and it provides otherfeatures compatibility. not found in the Bourneshell. These features includethe alias mechanism for altering com- mands, a history of recent commands,and pro- tection against overwritingfiles. Primeoffers an exceptionally broad and com- Throughthe integration of PRIMIX and prehensiveline of language products to suit PRIMOS,all users of 50 Series systems enjoy the user needs in a variety of computer applications. same multi-user, interactive benefits regardless Prime complementsits product breadth with of their particular system type or configuration. twolevels of language compatibility. First, all PRIMOSand PRIMIX ensure a uniform, con- languages generate compatible object code. Com- sistent and familiar set of commandsand moncall conventionsare shared by C, PL/I Sub- capabilities. set G, Pascal, FORTRAN 66, COBOL, RPG-IL, Additionally, PRIMIX is compatible with other and FORTRAN77. Thisfeature allows for modu- UNIX System V implementations, providing lar, multilingual programdesign, where users easy portability of software between Primesys- can incorporate existing routines into new pro- tems and those of other manufacturers. This grams even whensource languagesdiffer. Files will becomeincreasingly important as UNIX are completely compatible across the Prime emerges as an industry standard. language productline; data files written in one language can be accessed under another, provid- ing that both languages support data types Prime System Performance neededto describe thefile contents. The sophisticated design of Prime hardware and software offers high performance capabilities Source Level Debugger beyond the reach of other minicomputersys- tems. The virtual memory and embedded design By combiningtheinteractive capabilities of of the PRIMOSoperating system are comple- PRIMIXwith the Prime Source Level Debugger, mentedbyefficient time scheduling, memory a user can create, edit, compile, execute, and test management, and proceduredata sharing. programsinteractively. Debugger commands Prime’sfull range of communications products allow users to set and clear breakpoints dynami- allow users to construct complex communica- cally on source statements, examine and modify tions networksto suit their individual needs. variables, step through a program,trace state- PRIMIXusers not only benefit from high mentexecution,restart or proceed from a break- performance; they also draw uponthefull point, display source statements, and trace supportof a system engineered for total soft- back subroutine activation. This dramatically ware integration. reduces the testing and debugging time associated with program development. Support and Training

Virtual Memory Prime provides comprehensive education cover- ing all aspects of application development, train- PRIMIXuses the advancedvirtual memory man- ing, operation and administration. Additionally, agementcapabilities of PRIMOS, which support with the purchase of PRIMIX, customers receive multiple concurrent processes, each with its acomplete set of documentation and manuals. ownprivate virtual memory space. Additional virtual memory spaceis shared amongall proc- esses. This mechanism takes advantage of both CustomerService segmentation and paging to give users an ex- tremely large address space, eliminating concern Prime’s worldwide CustomerService organiza- over program size limitations. tion,including field support specialists and Customer Support Centerspecialists, provides ae high-quality, competitively-priced service. The Compatibility CustomerSupport Centerservesas a clearing housefor all reported problems. In addition, Soft- Software and hardware compatibility is a funda- ware Support Specialists work with customers mental design objective at Prime. It ensures long- to provide direct, timely, and accurate problem term return on investment and smooth,reliable diagnosis and resolution. They ensure Prime’s transitions when software and hardware systems commitmentto high productavailability. are upgraded. Compatibility also makes both cen- Software support is available to all customers tral and distributed system installations easier whosign a standard software maintenance con- to use. For example, programswritten in any tract. A telephone hotline(toll-free in the United Prime language can be developed on a smaller 50 States) is available for customerassistance. In Series system and usedfor production on larger addition, software support provideson-site assist- 50 Series system. Similarly, programs developed ance, software update services, and problem ona host system can be run on a smaller remote reporting and escalation. system without recompilation. Source mainte- nance, modifications and compilations can be doneat any system site as the needarises.

US.Offices Alabama Connecticut Indiana Minnesota Ohio Tennessee Birmingham E. Hartford Carmel Bloomington Cincinnati Knoxville Alaska Stamford Towa Missouri Columbus Memphis Anchorage District of Columbia Iowa City St. Louis eens Nashville Arizona Florida Kansas Nebraska "leds . ee ThPhoenix JackHollywoodill Overland Park Omaha Worthingtoni Dallasustin cson Cee Kentucky New Jersey Oklahoma Houston California ae Louisville Parsippany OklahomaCity Weak Culver City arpa Lousiana Princeton Tulsa Salt Lake Cit Irvine Georgia Metairie New Mexico oO EOE Mountain View Atlanta Albuquerque eee Virginia Sacramento Hawaii Maryland . Portland Williamsburg i Baltimore NewYork Pp lvani . San Diego Honolulu arias ‘ennsylvania Washington San Franciscoors dah Rockville ‘mhAlbany Allentown Bellevue Walnut Creek Idaho Massachusetts mherst Bridgeville Olympia WoodlandHills Boise Framingham Bee Camp Hill / Wisconsin Colorado ae Michigan Melville King of Prussia ookfield ColoradoSprings acaeD Flint New York RhodeIsland Englewood Oak Brook Grand Rapids , Providence Schaumburg Lansing North Carolina seathiCarols Wheeling Tro Charlotte outh Carolina y Greensboro Columbia

International Offices

Argentina Chile Hone kK Kuwait Saudi Arabia United Kingdom * Buenos Aires Santiago etic OnE Fawwally a Kinga ongsah Australia China Ahmadabad Malaysia we bay Bristol Adelaide Beijing Bangalore * Selangor . Central Park Brisbane Colombia *Bombay Malta Singapore Gity of London Canberra * Bogota Calcutta * Msida City South Africa Edinburgh

Moms Medellin iaras Mexico Gaperowe Feltham Neutral Bay Dominican Republic New Delhi Guadalajara es Grange *North Sydney Santo Domingo . Indonesia Mexico City feecoris Hounsou Perth Denmark Jakarta Netherland Leeds i Copenhagen Ireland es Spain Maidenhead Austria a Dublin Zoetermeer Barcelona Milton Keynes Vienna a Israel eagealand Madrid Southampton Belgium . * Aucklanc Sweden Stevenage Zaventem Fiji Tel Aviv Christchurch Stockholm Sydenham ivi Suva Italy Wellington . Warrington Bolivia . * Milan neal Switzerland Wilmslow La Paz Finland | Padua Nigeria Berne neers Santa Cruz Helsinki R Lagos Geneva United Aral Canada France Turinome Norway “PariZurich re Emirates: Calgary Aix : Sandvika Taiwan Dubai Edmonton Angers aon Panama Taipei Uruguay Halifax Grenoble 8S P Ni Thailand Montevideo London Lyon Japan Gite ew B a kok Venezuela Montreal Nantes Orvault Fukuoka pues o Caracas Ottawa * Paris Nagoya Peru Turkey Regina Segres Osaka Lima Ankara Vesoany Saint John Suresnes “Tokyo PuertoRico Istanbul Diisseldorf ‘Toronto Greece Jordan San Juan Hamburg Vancouver Athens *Amman Qatar Hannover Winnipeg "4 Honduras Korea *Doha Miinchen Tegucigalpa Pusan Stuttgart *Seoul *Wiesbaden

*Main Office (3/86)

PRIMEand PRIMOSareregistered trademarks The materials contained herein are summary in nature, of ,Inc., Natick, Massachusetts. subject to change and intendedfor general informationonly. The Prime logo, PRIMIX, 50 Series, PRIMENET, PRISAM,and Details andspecifications regarding specific Prime Computer MIDASPLUSare trademarksof Prime Computer, Inc., Natick, software and equipmentare available in the appropriate tech- Massachusetts. nical manuals,available throughlocal sales representatives. +UNIXis a trademarkof Bell Telephone Laboratories, Inc. Copyright © 1986, Prime Computer,Inc. All rights reserved. Printed in the U.S.A. EB=Prime ...2nePrime CcompetesInc.ine Natick, Massachusetts 01760

4/86 PB1525