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It seems not to be actively developed or marketed as of 2012, but is used in currently or recently sold low end cell phones, typically for use by pay-as-you-go customers, like the
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based mobile phone Dual-Mode
Subscriber Station (DMSS) or Advanced Mode Subscriber Software (AMSS) development. As of 2007, most Korean cell phones ran on REX.
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Next
Generation Mobile Communications Ecosystem: Technology Management for Mobile Communications
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Please help update this article to reflect recent events or newly available information.
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259:architectures are no longer supported. REX is not
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289:REX is an RTOS with the following features:
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200:Real-time Executive Operating System
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402:. John Wiley and Sons. p. 299.
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2612:This mobile software article is a
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967:Transaction Processing Facility
398:Asif, Saad Zaman (2011-01-11).
1:
247:Originally developed for the
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220:REX is a combination of two
2683:Real-time operating systems
1775:Multi-Environment Real-Time
545:Multi-Environment Real-Time
489:Real-time operating systems
132:; 25 years ago
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429:L4 Based Operating Systems
204:real-time operating system
16:Real-time operating system
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650:Operating System Embedded
358:"REX and Common Software"
103:embedded operating system
32:This article needs to be
2698:Mobile operating systems
935:Windows Embedded Compact
441:NICTA L4-embedded Kernel
323:Uses less than 5K of ROM
251:, it was then ported to
453:Qualcomm Corporate Site
331:features but does have
294:Preemptive multitasking
274:from Qualcomm for use.
2663:Operating system stubs
2559:-related article is a
2531:Category: Microkernels
1274:Robot Operating System
2703:ARM operating systems
2668:Mobile software stubs
2510:Open-source software
2017:Java virtual machine
1366:Open-source software
777:Java virtual machine
319:Interrupt management
304:Task synchronization
265:open-source software
206:(RTOS) developed by
196:REX Operating System
63:REX Operating System
2469:Andrew S. Tanenbaum
377:Edgewall Software.
64:
446:2014-02-27 at the
434:2018-06-14 at the
422:2006-04-26 at the
2673:Qualcomm software
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333:memory management
329:memory protection
222:operating systems
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41:Last update: 2012
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272:software license
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98:A Pistachio and
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109:Working state
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35:
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2708:Microkernels
2618:expanding it
2611:
2565:expanding it
2554:
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2507:
2499:
2494:
2491:
2479:William Wulf
2353:
2347:
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2320:
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2249:Workplace OS
2247:
2240:
2236:
2229:AIM alliance
2216:
2134:
2128:
2104:
2097:
2082:
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2044:
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2030:
2024:
1998:
1997:
1964:
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1905:
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1859:Nucleus RTOS
1844:
1827:
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1430:Microkernels
1385:
1375:
1363:
1355:
1350:
1347:
1335:Ken Sakamura
1330:Adam Dunkels
1233:
1227:
1220:
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1195:
1188:
1136:
1128:
1076:
1043:Low resource
1031:
1024:
1017:
985:
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905:^° kernel →
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874:
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831:
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638:Nucleus RTOS
623:
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399:
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382:. Retrieved
379:"HTC Vision"
372:
361:. Retrieved
326:
288:
276:
246:
235:
225:
219:
199:
195:
193:
117:Source model
112:Discontinued
45:
33:
2419:Gordon Bell
2309:OpenComRTOS
2206:Singularity
2032:Chorus/Jazz
1955:OpenHarmony
1434:nanokernels
1358:Microkernel
1320:Dave Cutler
1310:Gordon Bell
1215:Sintran III
1085:OpenComRTOS
786:Chorus/Jazz
335:abilities.
269:proprietary
249:Intel 80186
232:microkernel
187:Proprietary
172:Microkernel
149:Smartphones
121:Proprietary
2657:Categories
2411:Developers
2378:Frameworks
2315:Phantom OS
2279:ChibiOS/RT
1637:µ-velOSity
1631:MicroEmpix
1377:Comparison
1302:Developers
1263:Frameworks
1205:° Standard
1183:Phantom OS
1161:µ-velOSity
1050:ChibiOS/RT
384:2012-03-12
363:2012-03-10
339:References
81:Written in
2502:Real-time
2459:Ike Nassi
2434:Dan Dodge
2198:Microsoft
2068:Unix-like
2058:Macintosh
1966:HarmonyOS
1853:Integrity
1752:Minix-vmd
1712:Unix-like
1691:Operating
1489:Macintosh
1325:Dan Dodge
1253:UniProton
1203:RT-Thread
1177:Microware
1097:RT-Thread
921:Microsoft
711:T-License
632:Integrity
519:Unix-like
498:Operating
230:embedded
215:processor
155:Platforms
92:OS family
69:Developer
2285:FreeRTOS
2242:Taligent
2174:Broadway
2168:AspireOS
2038:ChorusOS
1959:Oniro OS
1846:ChorusOS
1726:GNU Hurd
1680:Vanguard
1622:GNU Mach
1506:NuKernel
1387:Category
1209:ScreenOS
1149:FreeRTOS
1091:PX5 RTOS
798:ChorusOS
695:T-Kernel
656:PX5 RTOS
625:ChorusOS
534:Junos OS
444:Archived
432:Archived
420:Archived
285:Features
210:for the
208:Qualcomm
74:Qualcomm
48:May 2023
2492:Italics
2401:TI-RTOS
2349:Harmony
2328:SharpOS
2322:RC 4000
2291:HelenOS
2211:ThreadX
2188:MorphOS
2157:AmigaOS
2136:Symbian
2113:kernel)
2111:PowerPC
2099:Copland
2084:MacMach
2077:MachTen
1838:Partial
1784:Unix-RT
1767:MkLinux
1758:Minix 3
1704:support
1693:systems
1667:RTLinux
1661:PowerUP
1644:nucleus
1442:Kernels
1348:Italics
1292:Xenomai
1286:TI-RTOS
1248:VxWorks
1235:Harmony
1138:DioneOS
1109:ThreadX
1078:Nano-RK
1067:FunkOS°
1056:Contiki
961:4690 OS
954:4680 OS
929:ThreadX
908:Symbian
840:REAL/32
722:Partial
679:support
652:^ (OSE)
617:Partial
579:RTLinux
554:Unix-RT
511:support
500:systems
202:) is a
182:License
135: (
34:updated
2395:Genode
2389:Cosmos
2367:Zephyr
2272:BeRTOS
2264:Amoeba
2060:hosted
2026:JavaOS
2006:Wombat
1999:REX OS
1992:PikeOS
1986:LLinux
1979:kernel
1937:Midori
1918:CapROS
1907:KeyKOS
1901:GNOSIS
1822:UNICOS
1810:Spring
1791:OS2000
1740:MeikOS
1573:WarpOS
1560:ExecSG
1491:hosted
1453:family
1130:BeRTOS
1115:Zephyr
1099:° Nano
1071:Mynewt
1033:VAXELN
1019:RSX-11
1007:PDP-11
882:Wombat
875:REX OS
868:PikeOS
862:LLinux
855:kernel
833:FlexOS
792:JavaOS
606:LiteOS
597:LiteOS
561:OS2000
539:LynxOS
491:(RTOS)
417:Iguana
255:, and
237:Iguana
166:Kernel
100:Iguana
2555:This
2343:Thoth
2297:µC/OS
2218:Verve
2150:-type
2148:Amiga
2122:Psion
1944:NLTSS
1924:Hydra
1865:NuttX
1816:Tinix
1803:Redox
1746:Minix
1733:Lites
1702:POSIX
1588:ADEOS
1567:Quark
1546:-type
1544:Amiga
1517:Psion
1461:Eumel
1229:Thoth
1222:THEOS
1155:µC/OS
1144:embOS
1026:RT-11
969:(TPF)
893:Psion
735:RTEMS
644:NuttX
509:POSIX
314:Timer
261:POSIX
2614:stub
2561:stub
2508:° =
2500:^ =
2382:kits
2361:VRTX
2352:^ →
2346:^ →
2335:SPIN
2237:Pink
2162:AROS
2130:EPOC
1930:seL4
1913:EROS
1877:RIOT
1829:VSTa
1780:MERT
1654:Opus
1615:Mach
1596:EROS
1554:Exec
1532:EKA2
1526:EKA1
1478:OKL4
1364:° =
1356:^ =
1280:RTAI
1267:kits
1242:VRTX
1232:^ →
1190:pSOS
1173:OS-9
1103:RIOT
987:DSOS
902:EKA2
766:seL4
759:EROS
729:eCos
677:TRON
662:RIOT
586:UNOS
550:MERT
528:DNIX
234:and
194:The
175:RTOS
168:type
137:1999
130:1999
2303:MQX
1871:OSE
1797:QNX
1778:^ (
1720:ARX
1604:K42
1276:° 2
1197:RMX
1167:MQX
1010:VAX
1004:DEC
945:IBM
810:DOS
789:^ (
567:QNX
548:^ (
257:x86
253:ARM
242:HTC
212:ARM
159:ARM
2659::
2403:^°
2380:,
2369:^°
2317:^°
2299:^°
2287:^°
2281:^°
2275:^°
2246:→
2244:OS
2239:→
2164:°
2140:^°
2138:OS
2133:→
2046:JX
2041:^)
2008:^°
1988:^°
1977:L4
1963:→
1957:,
1932:^°
1916:→
1910:→
1904:→
1879:^°
1867:^°
1782:–
1748:°
1675:^°
1618:°
1599:^°
1535:^°
1529:→
1472:L4
1470:→
1467:L3
1464:→
1451:L4
1288:^°
1265:,
1185:^°
1157:^°
1151:^°
1133:^°
1117:^°
1052:^°
995:^°
912:^°
910:OS
884:^°
864:^°
853:L4
801:^)
795:+
768:^°
762:^°
664:^°
646:^°
552:–
347:^
281:.
244:.
224::
96:L4
2645:e
2638:t
2631:v
2620:.
2592:e
2585:t
2578:v
2567:.
2397:°
2391:°
2363:^
2355:V
2338:°
2330:°
2311:^
2305:^
2293:°
2267:°
2213:^
2182:°
2176:°
2170:°
2109:(
2049:°
2029:(
2002:^
1994:^
1961:)
1953:(
1873:^
1861:^
1855:^
1848:^
1805:°
1799:^
1786:)
1770:°
1760:°
1754:°
1728:°
1669:°
1639:^
1624:°
1607:°
1591:°
1480:°
1474:°
1432:-
1422:e
1415:t
1408:v
1294:°
1282:°
1244:^
1238:^
1179:)
1175:(
1169:^
1163:^
1111:^
1105:°
1093:^
1087:^
1081:°
1073:°
1064:°
1058:°
931:^
878:^
870:^
737:°
731:°
658:^
640:^
634:^
628:^
609:°
581:°
575:°
569:^
556:)
481:e
474:t
467:v
387:.
366:.
198:(
139:)
86:C
50:)
46:(
36:.
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