About: REX OS

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The REX Operating System (Real-time Executive Operating System) is a real-time operating system (RTOS) developed by Qualcomm for the ARM processor 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. REX is a combination of two operating systems: L4A Pistachio embedded microkernel and Iguana, with extensive modifications and extensions by Qualcomm and HTC.

Attributes	Values
rdf:type	Thing software schema:CreativeWork work wikidata:Q386724 Software
rdfs:label	REX OS (ja) REX OS (en)
rdfs:comment	REX OS (Real-Time Executive Operating System、レックスオーエス)とは、クアルコム（Qualcomm）がかつて採用していた、携帯電話用ベースバンド・チップソフトを動かす為のARMベースのリアルタイムオペレーティングシステム。古くは、cdmaOne用、並びにCDMA2000用チップセットだけであったが、サポートするエアインタフェースの拡大に伴い、W-CDMA、GSM用のチップセットでも使われている。ライセンスは、クローズドなソースライセンスなので、クアルコムから開発ライセンスを取得しないとソースを見ることが出来ない。 (ja) The REX Operating System (Real-time Executive Operating System) is a real-time operating system (RTOS) developed by Qualcomm for the ARM processor 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. REX is a combination of two operating systems: L4A Pistachio embedded microkernel and Iguana, with extensive modifications and extensions by Qualcomm and HTC. (en)
foaf:name	REX Operating System (en)
name	REX Operating System (en)
dcterms:subject	Mobile operating systems Embedded operating systems Real-time operating systems ARM operating systems Microkernel-based operating systems Microkernels Smartphones Qualcomm software
Wikipage page ID	35030454 (xsd:integer)
Wikipage revision ID	1085100002 (xsd:integer)
Link from a Wikipage to another Wikipage	Preemptive multitasking Processor (computing) Qualcomm Samsung SPH-M300 Memory protection Interrupt handler Proprietary software Mobile operating systems Memory management Timer Embedded operating system Smartphone Synchronization (computer science) Microkernel Embedded operating systems C (programming language) Lock (computer science) ARM architecture Real-time operating systems POSIX Real-time operating system HTC ARM operating systems Microkernel-based operating systems Microkernels Smartphones L4 microkernel family Qualcomm software Intel 80186 Open-source software Operating system X86 IGUANA Computing Software license Task management
Link from a Wikipage to an external page	http://www.qualcomm.com/ http://l4hq.org/projects/os/ http://www.ertos.nicta.com.au/software/kenge/iguana-project/latest/ http://www.ertos.nicta.com.au/software/kenge/pistachio/latest/
sameAs	REX OS REX OS REX OS REX OS
source model	Proprietary software
working state	Discontinued (en)
dbp:wikiPageUsesTemplate	dbt:Operating-system-stub dbt:Real-time_operating_systems dbt:Infobox_OS dbt:Reflist dbt:Short_description dbt:Start_date_and_age dbt:Microkernel dbt:Mobile-software-stub
caption	REX Operating System (en)
developer	Qualcomm
discontinued	Yes (en)
family	L4A Pistachio and Iguana embedded operating system (en)
kernel type	Microkernel Real-time operating system
license	Proprietary software
supported platforms	ARM architecture
has abstract	The REX Operating System (Real-time Executive Operating System) is a real-time operating system (RTOS) developed by Qualcomm for the ARM processor 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. REX is a combination of two operating systems: L4A Pistachio embedded microkernel and Iguana, with extensive modifications and extensions by Qualcomm and HTC. Originally developed for the Intel 80186, it was then ported to ARM, and x86 architectures are no longer supported. REX is not POSIX compliant or open-source software and requires a proprietary software license from Qualcomm for use. 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 Samsung SPH-M300. (en) REX OS (Real-Time Executive Operating System、レックスオーエス)とは、クアルコム（Qualcomm）がかつて採用していた、携帯電話用ベースバンド・チップソフトを動かす為のARMベースのリアルタイムオペレーティングシステム。古くは、cdmaOne用、並びにCDMA2000用チップセットだけであったが、サポートするエアインタフェースの拡大に伴い、W-CDMA、GSM用のチップセットでも使われている。ライセンスは、クローズドなソースライセンスなので、クアルコムから開発ライセンスを取得しないとソースを見ることが出来ない。 (ja)
marketing target	Smartphones (en)
programmed in	C (programming language)
gold:hypernym	RTOS
prov:wasDerivedFrom	wikipedia-en:REX_OS?oldid=1085100002&ns=0
page length (characters) of wiki page	3662 (xsd:nonNegativeInteger)
status	Discontinued
developer	Qualcomm
license	Proprietary software
foaf:isPrimaryTopicOf	wikipedia-en:REX_OS
is Link from a Wikipage to another Wikipage of	Samsung SPH-M300 List of operating systems Comparison of real-time operating systems Rex Binary Runtime Environment for Wireless Sony Mobile

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