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Topic: SOS operating system

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www.brainyencyclopedia.com /topics/operating.html   (1045 words)

 SOS (Simple Operating System) Simulator
The bulk of the SOS code is unchanged from the book but certain changes were necessary because of the change to the MIPS machine and because of the fact that the operating system is not running on the simulator.
We write the operating system on the development system, move the executable code to the target system, and run the operating system directly on the target system.
After the operating system is compiled and loaded on the development system, the executable is loaded into the simulator and run there.
www.cs.unm.edu /~crowley/osbook/sos.html   (3523 words)

 Operating Systems   (Site not responding. Last check: 2007-08-20)
Operating systems evolved as the solution to the problems that were evident in early computer systems, and coincide with the changing computer systems.
The operating system required to run on this family of computers has to be able to work on all models, be backwards compatible and be able to run on both small and large systems.
Two types of systems were introduced, the network operating system in which users can copy from one station to another, and the distributed operating system, in which the computer appears to be a uni?processor system, even though it is actually running programs and storing files in a remote location.
www.uaestudents.com /essay/1183.htm   (1753 words)

 Guide to the Java Version of the
When the system call interrupt handler returns the code for this call will suspend the thread of the process making the system call unless that same process was chosen to run again by the dispatcher.
The simulated memory is the common memory between processes and the operating system and all data passed between them goes through the simulated physical memory.
System call arguments are passed in memory cells and the system call return argument is passed back in a memory cell.
www.cs.fsu.edu /~jtbauer/cop4610/jsos.html   (4552 words)

 Charles Babbage Institute: RESEARCH PROGRAM> Current research   (Site not responding. Last check: 2007-08-20)
Essentially, the job of the operating system is to provide for an orderly and controlled allocation of the processors, memories, and input/output devices among the various programs competing for them.
The operating system manages the computer system’s hardware, the process itself, the data and the communications with the operator, user or outside world, in accordance with the policy set by the individual or organization controlling the computer system.
The first operating system was developed in the mid-1950s by General Motors Corporation (GM) for an IBM 701.
www.cbi.umn.edu /shp/entries/operatingsystems.html   (612 words)

 Beginning Apple III System Utilities
SOS (Sophisticated Operating System, pronounced sauce) is a very powerful operating system which has a lot of the functionality of the operating systems used on much larger computers.
So it is definitely to the user's advantage to build up a library of backup data and money.and programs in order to protect his investment of time and money.
System Utilities, being a program, also uses these intermediaries to communicate with us no matter which portion of the program we are using.
www.wap.org /a3/a3library/a3sysutilanother.html   (5282 words)

 Disk operating system -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-08-20)
To have one or the other was a mark of distinction and prestige, and so was having the Disk sort of an Operating System.
As prices for both disk hardware and operating system software decreased, there were many such microcomputer systems.
PC-DOS/MS-DOS (and CP/M) The best known family of operating systems named "DOS" is that running on (Click link for more info and facts about IBM PC) IBM PCs type hardware using the Intel CPUs or their compatible cousins from other makers.
www.absoluteastronomy.com /encyclopedia/d/di/disk_operating_system.htm   (529 words)

 SOS - Small Operating System for MSP430   (Site not responding. Last check: 2007-08-20)
SOS (Small Operating System) is the real-time operating system for TI MSP430 microcontrollers.
SOS provides the necessary function calls and operating system kernel to write efficient C code to create a well designed, multi-tasking application.
SOS uses msp-gcc a gcc compiler port for MSP430 microcontrollers family.
users.ints.net /skidan/SOS/About.htm   (264 words)

 memo.sty   (Site not responding. Last check: 2007-08-20)
The Embedded System controller operating system (SOS) is a flexible, powerful real time communication controller operating system which can non-pre-emptively schedule stateless tasks (sometimes called handlers) on the basis of a trigger flag or which can non-pre-emptively schedule tasks which maintain context on the basis of a trigger flag.
The operating system returns to stated tasks so that in the case of stated tasks the key to process exchange is the exchange of OS and application stacks.
SOS in a sense punts the issue by providing a meta-formalism for the application writer to create his own interprocess communication method.
members.aol.com /karima4483/private/osman.html   (1704 words)

 Powerex SOS scroll compressor system
Combining the low operating noise with the small footprint, this compressor can be installed almost anywhere.
The operating presure range is preset and adjustable to the users demands.
Informs the user of when scheduled maintenance is to be performed in addition to the systems diagnostics of the electrical power and temperature.
www.aircompeq.com /sos.html   (294 words)

 First Bytes into an Apple
A number of operating systems were created for the Apple II family.
During a time when it was a luxury to have disk drives, and for an operating system to support them, many such "disk operating systems" had the term DOS in their names.
It had a new operating system called SOS ("sophisticated" operating system, although it apparently was an acronym for "Sara's Operating System", after an engineer's daughter).
www.kernelthread.com /mac/oshistory/1.html   (1024 words)

 history of operating system
Examples of operating systems that were primarily batch-oriented include: BKY, BOS/360, BPS/360, CAL, and Chios.
The first operating system to introduce system calls was University of Machester’s Atlas I Supervisor.
A few newly hired engineers were unable to get valuable mainframe computer time because of lack of seniority and resorted to writing their own operating system (UNIX) and programming language (C) to run on an unused mainframe computer still in the original box (the manufacturer had gone out of business before shipping an operating system).
www.osdata.com /kind/history.htm   (3009 words)

 SOS : The SOMIW object-oriented Operating System
This is a brief description of the SOS distributed operating system.
An SOS object is any region of memory declared to the system as being an object.
SOS : An Object-Oriented Operating System - Assessment and Perspectives.
www-sor.inria.fr /projects/sos   (816 words)

 SOS Operating System   (Site not responding. Last check: 2007-08-20)
SOS is an operating system for mote-class wireless sensor networks developed by the Networked and Embedded Systems Lab (NESL) at UCLA.
SOS uses a common kernel that implements messaging, dynamic memory, module loading and unloading, and other services.
To these ends SOS takes traditional operating system ideas and transforms them into a form appropriate for the resource constrained domain of wireless sensor nodes.
nesl.ee.ucla.edu /projects/sos   (387 words)

 SOS: An Object-Oriented Operating System - Assessment and Perspectives - Shapiro (ResearchIndex)
Abstract: SOS (SOMIW Operating System) is the result of a four-year effort at INRIA to define an object-oriented operating system.
SOS provides support for arbitrary, user-defined, typed objects.
The system implements object migration; this mechanism is generic, but can be tailored to specific object semantics thanks to the prerequisite and upcall concepts.
citeseer.ist.psu.edu /shapiro91sos.html   (508 words)

 "SOS" Small Operating System   (Site not responding. Last check: 2007-08-20)
SOS (Small Operating System) is the real-time operating system for
SOS provides the necessary function calls and operating system kernel to write efficient C code to create a
SOS is a real-time multi-tasking operating system giving you function calls and an
www.edaboard.com /ftopic47815.html   (124 words)

 Server Operating Systems Technical Comparison
For non-technical persons: A general overview of operating systems for non-technical people is located at: kinds of operating systems.
Brief summaries of operating systems are located at: summaries of operating systems.
The holistic area looks at operating systems from a holistic point of view and particular subjects in that presentation may be useful for comparison.
www.osdata.com   (1276 words)

 OS Project Description 2
SOS creates a series of simulated user programs and simulated requests, and invokes the OS functions to "handle" them.
When SOS invokes an OS interrupt handler, or when the OS function finishes and returns to SOS, information is passed through *a and p.
Crint: invoked when the job spooler sends a new job to the system (a new job has entered the system and is now on the simulated drum).
www.sci.brooklyn.cuny.edu /~jones/CIS25/osproj2.html   (1968 words)

 Wireless Sensing Solutions - Research Presentations   (Site not responding. Last check: 2007-08-20)
The SOS architecture enables remote insertion of binary modules into a running kernel without interrupting the system operation.
The SOS core is a non-preemptive, event driven microkernel that can operate on platforms with only 4 KB of SRAM.
A complex data gathering application has been successfully tested on SOS showing the suitability of this new operating system for the wireless sensor network domain.
wssconference.com /live/40/events/40ORD04A/exposition/CC512901   (594 words)

 R&D and IP Management Technology   (Site not responding. Last check: 2007-08-20)
SOS Language is a ‘Management Scripting Language’ used to write ‘Management Scripts’ with each management script representing a set of instructions written in an executable non-native high-level language code which implements a management function.
The introduction of SOS Language enables network administrators to understand, drive, and custom fit the under laying management processes to their prospective networks in accordance to their own (maybe) unique management requirements and policies.
SOS Language could then be used to build intelligent solutions based on Event-Driven management combined with Result-Driven management solutions.
www.smartmib.com /rd/body.htm   (930 words)

 [No title]   (Site not responding. Last check: 2007-08-20)
Design your SOS to assure proper functioning of I/0 and stop interrupts/traps in the new multiprogramming environment.
Implement SOS in the same higher level language (Java, C, C++, or Visual Basic) as computer simulator.
If the interrupt type is I/0 then SOS should move the running process to the waiting queue, move the first process from the ready queue to the running state and return control to the user program.
www.loyno.edu /~czejdo/NewCS350/ProgAssign3.doc   (225 words)

 Unisys History Newsletter v1n3
The operating system used today on the 1100 and 2200 Series is an outgrowth of EXEC 8 which was written for the UNIVAC 1108 in the late 1960s, but EXEC 8 was not the first UNIVAC operating system.
Their GM/NAA I/O System was further developed by the SHARE user group in 1960 as the SHARE Operating System (SOS).
UNIVAC's systems programming group in St. Paul started work on an operating system for the 1107, which eventually became known as EXEC I. It was written in the assembly language (known as SLEUTH) of the 1107, comprised some 25,000 lines of code, and occupied about 8K of the 1107's 32K of memory.
www.cc.gatech.edu /gvu/people/randy.carpenter/folklore/v1n3.html   (2149 words)

 SOS (operating system) - Wikipedia, the free encyclopedia
Despite the failure of the Apple III, SOS was a very forward-thinking operating system in many ways and its features influenced the design of ProDOS that was later released for the Apple //e and later Apple II computers.
The SOS file system also heavily influenced the design of the Macintosh Hierarchical File System.
This page was last modified 06:32, 23 August 2005.
en.wikipedia.org /wiki/SOS_(operating_system)   (277 words)

 Operating Systems: A Design-Oriented Approach by Charles Crowley
Operating Systems: A Design-Oriented Approach is a text for a junior or senior level class in operating systems.
The concepts in operating systems have developed over many years and the current solutions were developed slowly, in several stages.
While it is important that students of computer science have a good foundation in the basic concepts in specialized areas such as operating systems, it is not necessary that every computer science student understand all the details.
www.cs.unm.edu /~crowley/osbook/begin.html   (1191 words)

 Project: A Simple Operating System
The aim of the assignment is to implement a Simple Operating System (SOS) server on top of the L4 micro-kernel.
Have your SOS file system behave correctly even if files are added/removed in the Unix file system while your SOS is running.
Your are to show that your project passes the milestone requirements by demonstrating its operation to the demonstrator during the allocated time during the week the milestone is due.
www.cse.unsw.edu.au /~cs9242/04/project/index.shtml   (1066 words)

 ipedia.com: Apple III Article
It featured an advanced operating system called SOS (the Sophisticated Operating System) and a new BASIC interpreter.
Other features included an 80-column display with upper and lowercase characters, a numeric keypad, a real-time clock, a hierarchical file system, and the ability to emulate a 48KB Apple II+.
There was a built-in 5¼" floppy disk drive, with a 5 megabyte hard disk drive as an option.
www.ipedia.com /apple_iii.html   (398 words)

 Computers - Operating Systems
By: Anonymous Operating Systems An operating system is the program that manages all the application programs in a computer system.
Third Generation Computers (1965Ó1980) In the late 1960's IBM created the System/360 which was a series of software compatible computers ranging in different power of performance and price.
Modern Operating Systems The past 9 years have seen many advances in computers and their operating systems.
essay.studyarea.com /old_essay/Computer/operating_systems.htm   (1784 words)

 SOS: An object-oriented operating system --- assessment and perspective   (Site not responding. Last check: 2007-08-20)
SOS: An object-oriented operating system --- assessment and perspective
SOS (SOMIW Operating System) is the result of a four-year effort at INRIA to define an object-oriented operating system.
All the other mechansisms of SOS are built upon these basic abstractions.
www-sor.inria.fr /publi/SOS_computing-systems--fall89.html   (289 words)

 Operating Systems Through Time (8-bits)
While some operating systems, like the love-hate Unix, have been around since the early days of digital computing (read 1960's), most have appeared in the late 70's to the present time, varying from powerful multiuser OS's to little OS's that ran on 8 bit computers in under 64K of memory.
Its operating system was BASIC, but had a built-in ML monitor and could generate a fl-and-white TV display with its 4K of RAM (max 8K).
OS9 was an operating system that was one of the few, if not the only, multitasking, multithreading, and, if you're lucky, multi-user operating systems extant for an 8-bit system.
www.armory.com /~spectre/tech.html   (7367 words)

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