Knowledge

System Support Program

Source πŸ“

458:– this was supported native on the AS/400 and its follow on (iSeries, IBM i), which allows a user to continue to run their s/36 programs and procedures without having to convert them. Many of the system procs also work with such. While it was typically "slower" since it has to go through additional steps, however today with such fast machines, the speed of an S36EE is many times faster than the A/36 execution speed. Example, one job took 12 minutes to run on an Adv/36, took 20 seconds to run in S36EE mode. The object code however is NOT compatible with the previous S/36 and A/36, meaning that one had to recompile all programs and menus. However, one advantage is that you can not only run S36EE but also OS/400 applications. You can access database tables in your S/36 programs, you can call RPG/400 and RPGIV programs from with a S/36 program. So, while technically not SSP, it looks like SSP, it acts like SSP, and it will run your S/36 programs/procs. 465:
you had a program that was larger than that, you had to become creative in the later years when call/parm came into place, as you would move code into a called program, because if the base program was 63kb for example, you could easily call a 20kb called program. You also could not have more than around 8,000+ files on the machine. There were also restrictions on the number of files you could bring into a program (again, you could get around by putting files in called programs and passing the result back in. The maximum number of records you could initially load was about 8 million and the maximum a file could hold was about 16 million. None of these limitations exist in S36EE (there are a few maximum numbers of files in a program, but much larger than in native SSP).
431:– this 1994 release was shipped with the Advanced/36 (9402-236 models). The first A/36 machines would not function on a lower release and were also incompatible with 7.5 (while technically, true, program object code from a 7.1 machine would run on a 7.5 and vice versa, plus many 9402-236's were upgraded to 9402-436, which they changed out the motherboard and installed some new LIC code and you restored on a copy of your files and voila, it all worked). Rumours circulated that stated prior release compilers would not function on the Advanced/36, but they proved unfounded. There were reasons a programmer would rather use the 5.1 452:
could get a 9406-xxx machine and install a "guest/36" on such. And actually, you could install more than one guest/36. There were some limitations of number of attached workstations but having two guest/36's running on an AS/400 and setting up DDM (distributed data management) between them and even with OS/400 to host large files, could easily be done. While the S/36 and A/36 for the most part worked only with twinax attached terminals, on a Guest/36 (or M/36), you could have all your terminals be on a LAN running tcp/ip and be virtual devices in the Guest/36 environment.
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60 characters long; however, alternate indexes may have three-part keys which are not contiguous with one another. Duplicate keys in indexed or alternate index files may be allowed or disallowed. A file with direct organization is built with all records added and cannot auto-extend. A file with sequential or indexed organization is built with no records added. An alternate index always has as many records as its parent, as opposed to a System/38-style logical file which is built with conditions to filter records from the parent.
132: 1342: 511:, optionally fitted with two magazine units that can contain 10 diskettes each and three diskette slots. A S/36 5363/5364 has a 5-1/4" diskette drive. S/36 computers can be configured with an 8809 reel-to-reel tape drive (800/1600 bpi) or a 6157 1/4" cartridge (QIC) tape drive. A/36 computers have a high-density QIC drive but the 5.25" or 8" diskette drive (single) was optional as was a 9348-001 9 track (reel to reel) 1600/6250 bpi tape drive. 25: 441:– this 1995 release was shipped with the second and final wave of the Advanced/36 (9402-436). Functions like WRKSYSVL allowed the operator to change the system time on the fly, which was interesting because customer add-ons to do this through assembler subroutines did not function on the Advanced/36. However, assembler routines to do things like open/close files, retrieve the VTOC, etc. functioned just fine on 7.1 and 7.5 421:– also known as the VASP or Value-Added Support Product, this release added functionality that allowed program calls in RPG, and it also provided software to calculate the size AS/400 that the user would need when upgrading. The VASP was controversial. Rumours circulated in the industry papers that the customer could not go back to 5.1 if 6.0 did not function adequately. Program calls with RPG CALL/PARM were inferior to 287: 730:
terminals from one to another while remaining ready to continue processing for other terminals and/or subsequent transactions. NRT programs could also be NEPs if written to loop and wait for some condition indicating there was work to be done. NEP programs normally did not end until system shutdown, unless written to recognize some special terminate condition.
496:, and WSU that permit operators to build libraries and files, enter information into those files, produce simple reports, and maintain a menu structure that simplifies access to the information. The Advanced/36 does not support WSU. Password and resource security are also implemented through SSP, as are remote communications, which today is similar to dial-up 710:
input. Many successful programmers moved from using the combined-primary WORKSTN file to using a combined-demand file, which had operation codes to read and write the display. There was even a way to code for multiple WORKSTNs; several people could sign on to the same copy of the same program in memory. The largest program size was 64k.
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Files on the S/36 may be Sequential (S), Direct (D), or Indexed (I). An indexed file can have multiple alternate indexes (X), and in fact, a sequential file may have alternate indexes placed on it so there is no primary index. An indexed file contains a key, which must be contiguous and may be up to
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SSP provides for two different data objects called files and libraries. Files contain records, almost always with a fixed record length. Libraries contain programs which can reference and access these files. SSP contained more than 80 different commands that allowed operators to create, delete, copy,
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NEP = Never Ending Program. This was typically an interactive MRT program that would wait after all terminals disconnected until some terminal reconnected, avoiding initiation overhead. This was commonly used to allow large programs to be implemented as a chain of small programs that would pass the
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Limitations on S/36 and A/36 and M/36 operating system: The maximum amount of disk space that a system could utilize was 4 gb (per occurrence of the operating system, so a machine running two M36 "partitions" could have 4 gb in each. Another limitation was the program size, could not exceed 64KB. If
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company that owned one or more lower objects. For example, granting access to the group ACCOUNTG made it easier to establish access to all of the accounting files. Group objects could also reference group files; the group UB referenced UB.OLD, UB.NEW, UB.01, or any filename with the embedded period.
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Cobol, Fortran, and RPG generated object code (type O). Basic was interpreted only; a compilation utility called BASICS created subroutine code (type R). Basic programs could be saved as sources for compatibility with other computers, but the project's text was preserved in the subroutine (unless
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procedure was used to configure the system, including the devices. Each device is assigned a two-character ID. The first letter must be alphabetic; the second must be alphameric. The system also reserved certain IDs; the device can't be called I1 or F1, for example. I1 is the name
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V3R6 thru V4R4), and it would function just like the 9402-436, except that in addition to having this guest "partition", you also had OS/400 if you wanted it. So, if the 9402-436 which came in 3 speeds 2102, 2104 and 2106 (which the latter was about 2.7X faster than the base) wasn't fast enough, you
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A library or a file must exist in a contiguous organization on one fixed disk (however, a library may contain one "extent" of roughly 50 blocks which must be reorganized, and it cannot be extended if allocated to other users). A file may be organized with an EXTEND value or it may be allocated with
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SECEDIT USERID was also used to confine a user's operational authority to a specific menu. By entering a Y for Mandatory Menu and specifying a default sign-on menu, the security officer could prevent the user from any program access not found on that sign-on menu. A user so confined could only run
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Command keys became RPG indicators KA-KY, and different on-screen forms were recognized by different invisible control characters hidden in the forms themselves. Since the user had to display a form on the screen in order to type, RPG II provided a way for a program to write output before accepting
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to automatically extend. All record adds/updates/deletes wait while the file is being extended. It is good sense policy to create extend values large enough to minimize the frequency of extends. Libraries could have "extents" that were not contiguous. At times, when compiling a program, an extent
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The PROF ("Profile") procedure was used to work with User IDs and passwords. The user profile contains a 1-to-8-character alphanumeric User ID, a 4-character alphanumeric password, a code for the user's security ratingβ€”M (Master Security Officer), S (Security Officer), O (System Operator), C (Sub
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to be activated. OCL is used to load programs into the system's memory and start them (a process called execution) and assign resources such as disk files, printers, message members, memory, and disk space to those programs. Other abilities, such as displaying text on the screen, pause messages,
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MRT = Multiple Requestor Terminal program. SSP could attach up to 7 terminals to a program at once. Any operator could start the program at their terminal, then other operators' terminals would be attached when they selected the same program. The maximum number of terminals to be serviced was
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RPG II was modified from the System/3 days to allow access to the "WORKSTN file" to allow a punched card-based language to interact with a person sitting at a keyboard and monitor. A WORKSTN file was an output file (it wrote to the monitor) and also an input file (because it accepted the user's
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The SECEDIT RESOURCE procedure was used to establish security ratings for file, library, folder, and group objects. Access levels of O (Owner), C (Change), U (Update), R (Read), E (Execute) or N (None) could be granted for a user to a particular resource. A group object was a sort of holding
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The SECEDIT procedure was used to work with User IDs and passwords. The user profile contains a 1-to-8-character alphanumeric User ID, a 4-character alphanumeric password, a code for the user's security rating β€“ M (Master Security Officer), S (Security Officer), O (System Operator), C
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NRT = No Requestor Terminal program. Started at a terminal, the NRT releases the requesting terminal and continues. This is similar to an MS-DOS TSR (Terminate and Stay Resident) program. By definition, any program that was evoked or submitted to the JOBQ was an NRT.
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The PRSRCID ("Profile Resource Security by User ID") procedure was used to establish security ratings for file and library objects. Access levels of O (Owner), G (Change), R (Read), E (Execute) or N (None) could be granted for a user to a particular resource.
905:(1969) ran a disk-based batch operating system called the System Control Program (SCP) (5702-SC1). IBM later introduced an online program for the System/3 named the Communications Control Program (CCP) which was started as a batch program. The IBM 340:
that were implemented on the System/34 from 1977 to 1983 in different versions called releases. Release 1 was issued with the original S/34 in 1977. Release 9 was issued in 1981. In 1983, IBM repackaged SSP on a new computer called the IBM
507:. Computer programs can be run from the fixed disk, but not from diskette or tape. The complement of a System/34 5340, or System/36 5360/5362 is a fixed disk array of one to four fixed disks, at least one computer terminal, and an 8" 893:. It also enabled programs on remote System/36 and System/38 computers to create, access, and manage files on a System/36. The initial record-oriented file models defined by DDM were based on the System/36 file system. 758:
Menus generated object code. A menu is simply a very specific screen format with a companion message member suffixed with two-pound signs ("##") to contain the action to be taken when the associated number was chosen.
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SDA allows the operator to build screen formats or menus. Command keys can be enabled/disabled. Input fields, output fields, and constants can be created and conditioned. Conditions (in RPG these are called
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collection of programs (DisplayWrite/36, IDDU, Query, and so forth) were popular in the late 1980s and were later bundled with the Advanced/36. The System/34 Text Editor was a precursor to Office/36.
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would be created and by doing a "CONDENSE", it was removed if there was enough room in the main allocation for it. Otherwise, one did an ALOCLIBR to reallocate the library to a bigger size.
603:, the system must be dedicated (no other users logged on or programs running). The system must be IP Led (rebooted.) When IPL finished, the new devices would appear on the status display. 634:
which allows data entry on a line-by-line basis. Special forms are used to assist the operator in keying RPG programs or other types of form-based languages (WSU, Sort, SDA, etc.)
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SORT has one to eight input files, which may be of any valid record length. It has one output file, of any stated length, which may contain from zero to 8 million-plus records.
889:(DDM) was added to SSP. This enabled System/36 programs to create, manage, and access record-oriented files on remote System/36, System/38, and IBM mainframe systems running 657:
This was an RPG-like language that ran on SSP. It was focused on data entry type programs. WSU was free, but it wasn't particularly well-received because it was so limited.
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device attached to a 5250-series terminal. In order to log on, the user not only typed the user/password information but also swiped the badge through the reader.
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A sort can contain entire records or just 3-byte addresses which point to records in an associated file. This was called an address-out file or
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SSP procedures utilize utility programs, which can in some cases be more useful to the computer programmer than the SSP procedures themselves.
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of the diskette drive; F1 is what the system calls the hard drive (stands for "fixed disk," since it is not a removable disk pack.)
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The Britz Word Processing System was a general-purpose text editor that had mailmerge, label, and basic file editing capabilities.
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The printed disk catalogue (VTOC, Volume Table of Contents) displayed all secured objects with the notation 3 as being secured.
649:. When using an Add rout, the program read in these 3-byte addresses and then fetched associated records from the master file. 68: 305: 297: 998: 75: 1190: 323: 108: 947: 57: 1145: 1369: 1345: 991: 46: 874: 743: 693: 665:
It is an IBM-supplied no-charge item which is used to view and change field values in individual records.
1140: 1086: 836:(Subconsole Operator), or D (Display Station Operator) β€“ and a number of other default settings. 82: 1254: 1195: 1150: 1044: 914: 35: 1364: 1096: 1091: 1081: 1034: 346: 204: 853:
Console Operator), or D (Display Station Operator) -- and a number of other default settings.
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by programmers to create simple programs to do carry out basic operations on a data base file
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Source members for all objects are type S, with the exception of Basic as above specified.
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keyboard input). Thus, it was labelled a combined-primary file or a combined-demand file.
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Using SSP, the operator can create, delete, and manage S/34-36 objects such as libraries,
8: 909:(1975) ran a disk-based operating system also called the System Control Program. The IBM 497: 337: 1058: 1054: 977: 971: 583:, which are more flexible at the program level than associated SSP procedures can be. 349:
with the S/34. In 1994, IBM repackaged SSP on an updated model of the S/36 called the
1135: 1066: 803: 612: 493: 1308: 1303: 1205: 1014: 504: 478: 447:– this is Release 7.5, but you could set up an M36 (a guest) on an AS/400 (running 256: 211: 772:(POP) was a widely used development program. It was included with the Advanced 36. 678:
by data entry personnel to add or remove records from a file, or to print records.
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by programmers to update data base files on the fly without writing programs
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IBM Publication SC21-8299, General Information for SSP Operating System.
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DFU programs generated subroutine (R) code. So did WSU programs.
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ALOCLIBR, BLDLIBR, FROMLIBR, LIBRLIBR, REMOVE, CONDENSE, LISTLIBR
415:– this 1988 release was the last major change on 536X platforms. 1123: 1108: 775: 448: 354: 778:, the Manufacturing and Production Information Control System. 435:
compiler instead of the presumably more advanced 7.x compiler.
1234: 1227: 1160: 273:. SSP was a command-based operating system released in 1977. 237: 746:
to start programs and assign resources to them, are type P.
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the programmer used the LOCK parameter to keep it private.)
1244: 1128: 890: 397:– this was apparently shipped with the first S/36 in 1983. 1313: 1118: 1018: 409:– this was the release where S/36 was given 5 job queues. 260: 147: 948:"IBM March - April 1977 Announcements: Operating System" 844:
menu options, send messages, and sign off the system.
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SRT = Single Requestor Terminal program. Not an MRT.
687: 622:) can cause fields to disappear or change colours. 49:. Unsourced material may be challenged and removed. 136:Main Menu of SSP 7.5, shown inside a TN5250 client 637: 425:designs and inferior to customer add-on products. 1356: 863: 386:– this was the last release for the S/34 c.1980. 374:– this was shipped with the first S/34 in 1977. 714:Program attributes - MRTs, SRTs, NRTs and NEPs 999: 869:edit/change, and secure files and libraries. 652: 625: 586: 403:– this release supported the 8809-tape drive. 1013: 978:Bitsavers Archive of System/36 Documentation 972:Bitsavers Archive of System/34 Documentation 896: 543:. There are many other utilities, including 380:– this seems to have been issued about 1980. 762: 468: 1006: 992: 660: 606: 514: 913:(1978) ran an operating system named the 324:Learn how and when to remove this message 109:Learn how and when to remove this message 887:Distributed Data Management Architecture 770:Programmer and Operator Productivity Aid 784:BPCS, a more advanced accounting system 1357: 823:Badge security is implemented using a 755:Screen formats generated object code. 733: 697:and so forth, make OCL more powerful. 485:, source members, and security files. 16:Operating system for IBM minicomputers 987: 692:High-level language programs require 942: 940: 357:which had the SSP implemented as a " 280: 47:adding citations to reliable sources 18: 847: 13: 797: 688:Operational Control Language (OCL) 456:S36EE (S/36 execution environment) 336:SSP originally contained 60 or so 296:tone or style may not reflect the 14: 1381: 965: 937: 781:IMAS, a simple accounting package 1341: 1340: 980:- Including documentation on SSP 974:- Including documentation on SSP 719:controllable by the programmer. 523:is the library utility, used in 306:guide to writing better articles 285: 130: 23: 364:Major releases of SSP include: 34:needs additional citations for 955:HP computer systems newsletter 682: 638:SORT - The system Sort utility 1: 930: 864:Files, libraries, and folders 535:is the file utility used in 229:System Control Program (SCP) 125:System Support Program (SSP) 7: 957:. June 1, 1977. p. 15. 167:; 47 years ago 10: 1386: 920: 830: 653:WSU - Work Station Utility 626:SEU - Source Entry Utility 610: 587:Configuring using CNFIGSSP 276: 1338: 1322: 1286: 1263: 1204: 1053: 1025: 897:Related operating systems 700: 233: 222: 210: 196: 179: 161: 153: 141: 129: 1255:Red Hat Enterprise Linux 1196:Red Hat Enterprise Linux 1045:Red Hat Enterprise Linux 915:Control Program Facility 802:There are four types of 763:Popular SSP applications 469:Functions and components 58:"System Support Program" 661:DFU - Data File Utility 607:SDA - Screen Design Aid 537:SAVE, RESTORE, COPYDATA 515:System utility programs 1092:DOS/360 and successors 742:Procedures, which use 353:. The A/36 was an IBM 347:object-code compatible 247:System Support Program 205:Command-line interface 1370:IBM operating systems 1104:OS/360 and successors 885:In 1986, support for 503:SSP is a disk-based 43:improve this article 734:Object code formats 126: 816:Resource security. 813:Password security. 806:on an SSP system: 492:such as DFU, SEU, 124: 1352: 1351: 1015:Operating systems 668:DFU can be used 613:Screen Design Aid 334: 333: 326: 300:used on Knowledge 298:encyclopedic tone 243: 242: 119: 118: 111: 93: 1377: 1344: 1343: 1008: 1001: 994: 985: 984: 959: 958: 952: 944: 848:Other procedures 648: 602: 594: 582: 578: 574: 570: 566: 562: 558: 554: 550: 546: 542: 538: 534: 530: 526: 522: 505:operating system 439:S/36 Release 7.5 429:S/36 Release 7.1 419:S/36 Release 6.0 413:S/36 Release 5.1 407:S/36 Release 4.0 401:S/36 Release 2.0 395:S/36 Release 1.0 384:S/34 Release 9.0 378:S/34 Release 8.0 372:S/34 Release 1.0 345:, which was not 329: 322: 318: 315: 309: 308:for suggestions. 304:See Knowledge's 289: 288: 281: 257:operating system 175: 173: 168: 134: 127: 123: 121:Operating system 114: 107: 103: 100: 94: 92: 51: 27: 19: 1385: 1384: 1380: 1379: 1378: 1376: 1375: 1374: 1355: 1354: 1353: 1348: 1334: 1318: 1282: 1259: 1200: 1049: 1021: 1012: 968: 963: 962: 950: 946: 945: 938: 933: 923: 899: 866: 850: 833: 810:Badge security. 800: 798:System security 765: 736: 716: 703: 690: 685: 663: 655: 646: 640: 628: 615: 609: 600: 592: 589: 580: 576: 572: 568: 564: 560: 556: 552: 548: 544: 540: 536: 532: 528: 524: 520: 517: 471: 359:virtual machine 330: 319: 313: 310: 303: 294:This article's 290: 286: 279: 199: 171: 169: 166: 162:Initial release 137: 122: 115: 104: 98: 95: 52: 50: 40: 28: 17: 12: 11: 5: 1383: 1373: 1372: 1367: 1350: 1349: 1339: 1336: 1335: 1333: 1332: 1326: 1324: 1320: 1319: 1317: 1316: 1311: 1306: 1301: 1296: 1290: 1288: 1284: 1283: 1281: 1280: 1275: 1269: 1267: 1261: 1260: 1258: 1257: 1252: 1247: 1242: 1237: 1232: 1231: 1230: 1220: 1214: 1212: 1202: 1201: 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9: 6: 4: 3: 2: 1382: 1371: 1368: 1366: 1365:1979 software 1363: 1362: 1360: 1347: 1337: 1331: 1328: 1327: 1325: 1321: 1315: 1312: 1310: 1307: 1305: 1302: 1300: 1297: 1295: 1292: 1291: 1289: 1285: 1279: 1276: 1274: 1271: 1270: 1268: 1266: 1265:Point of sale 1262: 1256: 1253: 1251: 1248: 1246: 1243: 1241: 1238: 1236: 1233: 1229: 1226: 1225: 1224: 1221: 1219: 1216: 1215: 1213: 1211: 1207: 1203: 1197: 1194: 1192: 1189: 1187: 1184: 1182: 1179: 1177: 1174: 1172: 1169: 1167: 1164: 1162: 1159: 1157: 1154: 1152: 1149: 1147: 1144: 1142: 1139: 1137: 1134: 1130: 1127: 1125: 1122: 1120: 1117: 1115: 1112: 1110: 1107: 1106: 1105: 1102: 1098: 1095: 1094: 1093: 1090: 1088: 1085: 1083: 1080: 1078: 1075: 1073: 1070: 1068: 1065: 1064: 1062: 1060: 1056: 1052: 1046: 1043: 1041: 1038: 1036: 1033: 1032: 1030: 1028: 1027:Supercomputer 1024: 1020: 1016: 1009: 1004: 1002: 997: 995: 990: 989: 986: 979: 976: 973: 970: 969: 956: 949: 943: 941: 936: 925: 924: 918: 916: 912: 908: 904: 894: 892: 888: 883: 879: 876: 870: 861: 858: 854: 845: 841: 837: 828: 826: 825:stripe reader 818: 815: 812: 809: 808: 807: 805: 792: 789: 788:IBM Office/36 786: 783: 780: 777: 774: 771: 767: 766: 760: 756: 753: 750: 747: 745: 740: 731: 727: 723: 720: 711: 707: 698: 695: 677: 674: 671: 670: 669: 666: 658: 650: 643: 635: 633: 623: 621: 614: 604: 597: 584: 512: 510: 506: 501: 499: 495: 491: 488:SSP contains 486: 484: 480: 476: 466: 457: 454: 450: 446: 443: 440: 437: 434: 430: 427: 424: 420: 417: 414: 411: 408: 405: 402: 399: 396: 393: 392: 390: 385: 382: 379: 376: 373: 370: 369: 367: 366: 365: 362: 360: 356: 352: 348: 344: 339: 328: 325: 317: 307: 301: 299: 292: 283: 282: 274: 272: 271:minicomputers 269: 265: 262: 258: 254: 252: 248: 239: 236: 232: 228: 225: 221: 218: 215: 213: 209: 206: 203: 201: 195: 192: 189: 185: 182: 178: 164: 160: 156: 154:Working state 152: 149: 146: 144: 140: 133: 128: 113: 110: 102: 91: 88: 84: 81: 77: 74: 70: 67: 63: 60: β€“  59: 55: 54:Find sources: 48: 44: 38: 37: 32:This article 30: 26: 21: 20: 1330:Fedora Linux 1299:Workplace OS 1185: 1156:System/88 OS 954: 900: 884: 880: 871: 867: 859: 855: 851: 842: 838: 834: 822: 801: 757: 754: 751: 748: 741: 737: 728: 724: 721: 717: 708: 704: 691: 667: 664: 656: 644: 641: 629: 619: 616: 598: 590: 518: 502: 487: 472: 463: 455: 444: 438: 428: 418: 412: 406: 400: 394: 383: 377: 371: 363: 335: 320: 311: 295: 250: 246: 245: 244: 234:Succeeded by 191:minicomputer 157:Discontinued 105: 99:October 2017 96: 86: 79: 72: 65: 53: 41:Please help 36:verification 33: 1210:workstation 683:Programming 632:text editor 351:Advanced/36 223:Preceded by 217:Proprietary 1359:Categories 931:References 620:indicators 498:networking 483:procedures 475:data files 69:newspapers 1059:mainframe 911:System/38 907:System/32 630:SEU is a 599:To apply 343:System/36 314:June 2022 268:System/36 264:System/34 227:System/32 188:System/36 184:System/34 180:Platforms 143:Developer 1346:Category 1309:Trillian 1304:Monterey 1294:Taligent 1287:Projects 1218:Textpack 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