Rozprawy doktorskie na temat „Operating Systems”
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Clarke, Reginald. "College operating systems". Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340657.
Pełny tekst źródłaMartlew, P. J. "Microcomputer process operating systems". Thesis, Swansea University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.638017.
Pełny tekst źródłaPinnix, Justin Everett. "Operating System Kernel for All Real Time Systems". NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20010310-181302.
Pełny tekst źródłaPINNIX, JUSTIN EVERETT. Operating System Kernel for All Real Time Systems.(Under the direction of Robert J. Fornaro and Vicki E. Jones.)
This document describes the requirements, design, and implementation of OSKAR, ahard real time operating system for Intel Pentium compatible personal computers.OSKAR provides rate monotonic scheduling, fixed and dynamic priority scheduling,semaphores, message passing, priority ceiling protocols, TCP/IP networking, and globaltime synchronization using the Global Positioning System (GPS). It is intended toprovide researchers a test bed for real time projects that is inexpensive, simple tounderstand, and easy to extend.
The design of the system is described with special emphasis on design tradeoffs made toimprove real time requirements compliance. The implementation is covered in detail atthe source code level. Experiments to qualify functionality and obtain performanceprofiles are included and the results explained.
Baumann, Andrew Computer Science & Engineering Faculty of Engineering UNSW. "Dynamic update for operating systems". Awarded by:University of New South Wales. Computer Science and Engineering, 2007. http://handle.unsw.edu.au/1959.4/28356.
Pełny tekst źródłaO'Shea, Gregory Francis Gerard. "Access control in operating systems". Thesis, Birkbeck (University of London), 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301025.
Pełny tekst źródłaMoura, F. C. S. "Performance evaluation of operating systems". Thesis, University of Manchester, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374799.
Pełny tekst źródłaTomiyama, Hiroyuki, Shinya Honda i Hiroaki Takada. "Real-Time Operating Systems for Multicore Embedded Systems". IEEE, 2008. http://hdl.handle.net/2237/12100.
Pełny tekst źródłaOakes, David R. "Microsoft operating systems development and strategy : an assessment of the Windows 2000 Server operating system". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA369436.
Pełny tekst źródłaThesis advisor(s): Douglas E. Brinkley. Includes bibliographical references (p. 151-153). Also Available online.
Mack, Raphael. "Modeling and verifying embedded operating systems". Zürich : ETH, Eidgenössische Technische Hochschule Zürich, Institut für Computersysteme, 2008. http://e-collection.ethbib.ethz.ch/show?type=dipl&nr=367.
Pełny tekst źródłaAigner, Ronald. "Communication in Microkernel-Based Operating Systems". Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-68373.
Pełny tekst źródłaColtzau, Hauke, i Herwig Unger. "3DIOS1 – Konzept eines Internet-Operating-Systems". Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-141688.
Pełny tekst źródłaNeugebauer, Rolf. "Decentralising resource management in operating systems". Thesis, University of Glasgow, 2003. http://theses.gla.ac.uk/4118/.
Pełny tekst źródłaStuber, Matthew David. "Evaluation of process systems operating envelopes". Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/79143.
Pełny tekst źródłaThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (p. 229-238).
This thesis addresses the problem of worst-case steady-state design of process systems under uncertainty, also known as robust design. Designing for the worst case is of great importance when considering systems for deployment in extreme and hostile environments, where operational failures cannot be risked due to extraordinarily high economic and/or environmental expense. For this unique scenario, the cost of "over-designing" the process far outweighs the cost associated with operational failure. Hence, it must be guaranteed that the process is sufficiently robust in order to avoid operational failures. Many engineering, economic, and operations research applications are concerned with worst-case scenarios. Classically, these problems give rise to a type of leader-follower game, or Stackelberg game, commonly known as the "minimax" problem, or more precisely as a max-min or min-max optimization problem. However, since the application here is to steady-state design, the problem formulation results in a more general nonconvex equality-constrained min-max program, for which no previously available algorithm can solve effectively. Under certain assumptions, the equality constraints, which correspond to the steady-state model, can be eliminated from the problem by solving them for the state variables as implicit functions of the control variables and uncertainty parameters. This approach eliminates explicit functional dependence on the state variables, and in turn reduces the dimensionality of the original problem. However, this embeds implicit functions in the program, which have no explicit algebraic form and can only be approximated using numerical methods. By doing this, the max-min program can be reformulated as a more computationally tractable semi-infinite program, with the caveat that there are embedded implicit functions. Semi-infinite programming with embedded implicit functions is a new approach to modeling worst-case design problems. Furthermore, modeling process systems--especially those associated with chemical engineering--often results in highly nonconvex functions. The primary contribution of this thesis is a mathematical tool for solving implicit semi-infinite programs and assessing robust feasibility of process systems using a rigorous model-based approach. This tool has the ability to determine, with mathematical certainty, whether or not a physical process system based on the proposed design will fail in the worst case by taking into account uncertainty in the model parameters and uncertainty in the environment.
by Matthew David Stuber.
Ph.D.
Sinha, Amit 1976. "Energy efficient operating systems and software". Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/86773.
Pełny tekst źródłaIncludes bibliographical references (p. 153-159).
Energy efficient system design is becoming increasingly important with the proliferation of portable, battery-operated appliances such as laptops, Personal Digital Assistants (PDAs) and cellular phones. Numerous dedicated hardware approaches for energy mini-mization have been proposed while software energy efficiency has been relatively unexplored. Since it is the software that drives the hardware, decisions taken during software design can have a significant impact on system energy consumption. This thesis explores avenues for improving system energy efficiency from application level to the operating system level. The embedded operating system can have a significant impact on system energy by performing dynamic power management both in the active and passive states of the device. Software controlled active power management techniques using dynamic voltage and frequency scaling have been explored. Efficient workload prediction strategies have been developed that enable just-in-time computation. An algorithm for efficient real-time operating system task scheduling has also been developed that minimizes energy consumption. Portable systems spend a lot of time in sleep mode. Idle power management strategies have been developed that consider the effect of leakage and duty-cycle on system lifetime. A hierarchical shutdown approach for systems characterized multiple sleep states has been proposed. Although the proposed techniques are quite general, their applicability and utility have been demonstrated using the MIT [mu]AMPS wireless sensor node an example system wherever possible.
(cont.) To quantify software energy consumption, an estimation framework has been developed based on experiments on the StrongARM and Hitachi processors. The software energy profiling tool is available on-line. Finally, in energy constrained systems, we would like to have the ability to trade-off quality of service for extended battery life. A scalable approach to application development has been demonstrated that allows energy quality trade-offs.
by Amit Sinha.
Ph.D.
Coltzau, Hauke, i Herwig Unger. "3DIOS1 – Konzept eines Internet-Operating-Systems". Technische Universität Dresden, 2009. https://tud.qucosa.de/id/qucosa%3A27977.
Pełny tekst źródłaCaiazza, Gianluca <1991>. "Security Enhancements of Robot Operating Systems". Master's Degree Thesis, Università Ca' Foscari Venezia, 2017. http://hdl.handle.net/10579/10238.
Pełny tekst źródłaWatson, Robert Nicholas Maxwell. "New approaches to operating system security extensibility". Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609485.
Pełny tekst źródłaCraft, Timothy L. "The systems engineering design of a smart Forward Operating Base surveillance system for forward operating base protection". Monterey, California: Naval Postgraduate School, 2013. http://hdl.handle.net/10945/34650.
Pełny tekst źródłaForward operating bases are vulnerable to terrorist activity due to their location and limited resources. Threat awareness under these conditions is paramount to the safety of the personnel and to mission accomplishment. In the absence of the manpower required to maintain complete and continuous monitoring of the FOBs surroundings, an automated surveillance system is needed. The Smart FOB Surveillance System (SFSS) employs a multi-agent behavior analysis and decision system with Swarm Intelligence (SI) through a network-centric systems engineering method of development to create a robust surveillance system. The SFSS provides the capability of an intelligence automated system for continuously monitoring areas for certain behaviors, linking individuals, predicting future behaviors, and taking appropriate action against them to eliminate threats and the possibility of future threats. Environments, such as insurgent urban areas, Forward Operating Bases, country borders, and other high-value target areas all require constant personnel behavior surveillance and monitoring. The SFSS utilizes a complex network of aerial, fixed and mobile terrestrial units, capable of identifying and processing audible, visual, and signal intelligence in order to determine personnel behavior in a given area of interest as well as recording and processing intelligence data. The focus is on creating a system to protect Forward Operating Bases (FOB) by providing continuous and autonomous surveillance and threat alerts. In this manner, a Smart FOB Surveillance System (SFSS) will be designed in this thesis using the systems engineering process.
Wei, Jinpeng. "Improving operating systems security two case studies /". Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31849.
Pełny tekst źródłaCommittee Chair: Pu, Calton; Committee Member: Ahamad, Mustaque; Committee Member: Blough, Douglas; Committee Member: Giffin, Jonathon; Committee Member: Li, Kang. Part of the SMARTech Electronic Thesis and Dissertation Collection.
Frame, Charles E. "Personal computer and workstation operating systems tutorial". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA280132.
Pełny tekst źródłaThesis advisor(s): Norman F. Schneidewind. "March 1994." Includes bibliographical references. Also available online.
Swift, Michael M. "Improving the reliability of commodity operating systems /". Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/7019.
Pełny tekst źródłaDenz, Robert. "Securing Operating Systems Through Utility Virtual Machines". Thesis, Dartmouth College, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10190644.
Pełny tekst źródłaThe advent of hypervisors revolutionized the computing industry in terms of malware prevention and detection, secure virtual machine managers, and cloud resilience. However, this has resulted in a disjointed response to handling known threats rather than preventing unknown zero-day threats. This thesis introduces a new paradigm to cloud computing – utility virtual machines – that directly leverages virtualization hardware for protection and eliminates often accepted roles of the operating system kernel. This represents a break from prevailing practices and serves to establish a hardware root of trust for system operation.
Fotuhi-Firuzabad, Mahmud. "Operating health analysis of electric power systems". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0012/NQ27407.pdf.
Pełny tekst źródłaKazakidis, Vassilios N. "Operating risk, planning for flexible mining systems". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ61126.pdf.
Pełny tekst źródłaWestman, Patrik. "Debugging methods - applied on networking operating systems". Thesis, Umeå universitet, Institutionen för datavetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-81115.
Pełny tekst źródłaJannotti, John 1974. "Applying exokernel principles to conventional operating systems". Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/50043.
Pełny tekst źródłaDeBrunner, Linda Sumners. "Multitasking operating systems for real-time applications". Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/104318.
Pełny tekst źródłaCrawley, P. D. "Optimum operating policies for multiple reservoir systems /". Title page, contents and synopsis only, 1990. http://web4.library.adelaide.edu.au/theses/09EN/09enc911.pdf.
Pełny tekst źródłaLescouet, Alexis. "Memory management for operating systems and runtimes". Electronic Thesis or Diss., Institut polytechnique de Paris, 2021. http://www.theses.fr/2021IPPAS008.
Pełny tekst źródłaDuring the last decade, the need for computational power has increased due to the emergence and fast evolution of fields such as data analysis or artificial intelligence. This tendency is also reinforced by the growing number of services and end-user devices. Due to physical constraints, the trend for new hardware has shifted from an increase in processor frequency to an increase in the number of cores per machine. This new paradigm requires software to adapt, making the ability to manage such a parallelism the cornerstone of many parts of the software stack. Directly concerned by this change, operating systems have evolved to include complex rules each pertaining to different hardware configurations. However, more often than not, resources management units are responsible for one specific resource and make a decision in isolation. Moreover, because of the complexity and fast evolution rate of hardware, operating systems, not designed to use a generic approach have trouble keeping up. Given the advance of virtualization technology, we propose a new approach to resource management in complex topologies using virtualization to add a small software layer dedicated to resources placement in between the hardware and a standard operating system. Similarly, in user space applications, parallelism is an important lever to attain high performances, which is why high performance computing runtimes, such as MPI, are built to increase parallelism in applications. The recent changes in modern architectures combined with fast networks have made overlapping CPU-bound computation and network communication a key part of parallel applications. While some degree of overlap might be attained manually, this is often a complex and error prone procedure. Our proposal automatically transforms blocking communications into non blocking ones to increase the overlapping potential. To this end, we use a separate communication thread responsible for handling communications and a memory protection mechanism to track memory accesses in communication buffers. This guarantees both progress for these communications and the largest window during which communication and computation can be processed in parallel
Pettersson, Erik. "Comparison of System Performance During DDoS Attacks in Modern Operating Systems". Thesis, Högskolan i Skövde, Institutionen för informationsteknologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-13748.
Pełny tekst źródłaWoolard, C. C. "A network object oriented operating system". Thesis, University of Essex, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381930.
Pełny tekst źródłaGrossman, Michael D. "A computer simulation of processor scheduling in UNIX 4.2BSD /". Online version of thesis, 1987. http://hdl.handle.net/1850/10295.
Pełny tekst źródłaGoel, Ashvin. "Operating system support for low-latency streaming /". Full text open access at:, 2003. http://content.ohsu.edu/u?/etd,194.
Pełny tekst źródłaWang, Xiaolong. "A Secure Computing Platform for Building Automation Using Microkernel-based Operating Systems". Scholar Commons, 2018. https://scholarcommons.usf.edu/etd/7589.
Pełny tekst źródłaLarsson, Anders. "Fully automatic benchmarking of real-time operating systems". Thesis, University of Skövde, Department of Computer Science, 1998. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-172.
Pełny tekst źródłaTesting and evaluating the performance of different software solutions is important in order to compare them with each other. Measuring, or benchmark, software is not a trivial task and conducting tests in a real-time environment implicates it further. Still, measuring is the only way to provide useful information, for example, which real-time operating system is best suitable for a specific hardware configuration.
The purpose of this project is to design a benchmark support system, which automatically performs benchmarks of a real-time operating system in a host-target environment. The benchmarks are conducted according to a user-defined specification and the support system also allows a developer to create configurable benchmarks.
The benchmark support system described also allows parameters to increase monotonically within a specified interval during benchmark execution. This is an important feature in order to detect unpredictable behavior of the real-time system.
Bagikni, Tarek al. "Developing an autonomic system engineering testbed using virtualization virtualization of operating systems". Saarbrücken VDM, Müller, 2007. http://d-nb.info/986348104/04.
Pełny tekst źródłaSnowdon, David Computer Science & Engineering Faculty of Engineering UNSW. "Operating system directed power management". Awarded By:University of New South Wales. Computer Science & Engineering, 2010. http://handle.unsw.edu.au/1959.4/44747.
Pełny tekst źródłaSzyperski, Clemens A. "Insight Ethos : on object-orientation in operating systems /". Zürich : Verlag der Fachvereine an den schweizerischen Hochschulen und Techniken, 1992. http://opac.nebis.ch/cgi-bin/showAbstract.pl?u20=3728119482.
Pełny tekst źródłaDodge, Catherine A. "Recommendations for secure initialization routines in operating systems /". Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/04Dec%5FDodge.pdf.
Pełny tekst źródłaThesis Advisor(s): Cynthia E. Irvine, Thuy D. Nguyen. Includes bibliographical references (p. 107-109) Also available online.
MORENO, MARCELO FERREIRA. "A FRAMEWORK FOR QOS PROVISIONING IN OPERATING SYSTEMS". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2002. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=3341@1.
Pełny tekst źródłaA demanda progressiva por aplicações multimídia distribuídas, caracterizadas por fortes exigências sobre os recursos computacionais, torna evidente a necessidade de provisão de qualidade de serviço (QoS) em cada um dos subsistemas envolvidos, como redes de comunicação e sistemas operacionais. Ao mesmo tempo, tais subsistemas devem ser flexíveis para que possam oferecer novos serviços a aplicações futuras, ou seja, devem ser adaptáveis em tempo de execução. Especificamente, sistemas operacionais de uso geral provêm pouco ou nenhum suporte a QoS e à adaptabilidade dos serviços, impulsionando vários estudos isolados nessas áreas. Observando-se algumas tecnologias implementadas em sistemas operacionais específicos, nota-se que os mecanismos de provisão possuem certas semelhanças funcionais. Assim, este trabalho propõe uma arquitetura adaptável para a provisão de QoS nos subsistemas de rede e de escalonamento de processos de sistemas operacionais, independente de implementação, através da descrição de frameworks genéricos. É demonstrado, também, como os pontos de flexibilização desses frameworks podem ser especializados para a implementação de alguns modelos de QoS. Por último, é proposto um cenário de uso da arquitetura, no qual um sistema operacional de uso geral ligeiramente modificado é utilizado como infra- estrutura para a instanciação dos frameworks de QoS.
The progressive demand for distributed multimedia applications, which are characterized by strong requirements over computational resources, makes evident the need for quality of service (QoS) provisioning in each one of the involved subsystems (e.g. communication networks and operating systems). At the same time, these subsystems must be flexible enough that they can offer new services to future applications, or in other words, they must be adaptable at runtime. Specifically, general-purpose operating systems provide few or no QoS/service adaptability support, what have motivated many isolated studies about these topics. Observing some implemented technologies on specific operating systems,it is noted that the provisioning mechanisms have certain functional similarities.In this way, this work proposes an adaptable architecture for QoS provisioning on networking and process scheduling subsystems of operating systems, through the description of generic frameworks. It is demonstrated how the framework hot-spots can be specialized in order to implement some QoS models. Finally, it is proposed a scenario of use of the architecture, where a bit modified generalpurpose operating system is used as infrastructure for an instantiation of the QoS frameworks.
Dodge, Catherine A. "Recommendations for secure initialization routines in operating systems". Thesis, Monterey, California. Naval Postgraduate School, 2004. http://hdl.handle.net/10945/1206.
Pełny tekst źródłaWhile a necessity of all operating systems, the code that initializes a system can be notoriously difficult to understand. This thesis explores the most common architectures used for bringing an operating system to its initial state, once the operating system gains control from the boot loader. Specifically, the ways in which the OpenBSD and Linux operating systems handle initialization are dissected. With this understanding, a set of threats relevant to the initialization sequence was developed. A thorough study was also made to determine the degree to which initialization code adheres to widely accepted software engineering principles. Based upon this threat analysis and the observed strengths and weaknesses of existing systems, a set of recommendations for initialization sequence architecture and implementation have been developed. These recommendations can serve as a guide for future operating system development.
Civilian, Naval Postgraduate School
Roth, Christopher. "A distributed password scheme for network operating systems". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Jun%5FRoth.pdf.
Pełny tekst źródłaLeslie, Rebekah. "A Functional Approach to Memory-Safe Operating Systems". PDXScholar, 2011. https://pdxscholar.library.pdx.edu/open_access_etds/499.
Pełny tekst źródłaSjöström, Thames Sixten. "Porting a Real-Time Operating System to a Multicore Platform". Thesis, Linköpings universitet, Institutionen för datavetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-76933.
Pełny tekst źródłaKluge, Florian [Verfasser], i Theo [Akademischer Betreuer] Ungerer. "Manycore Operating Systems for Safety-Critical Systems / Florian Kluge. Betreuer: Theo Ungerer". Augsburg : Universität Augsburg, 2016. http://d-nb.info/1111505438/34.
Pełny tekst źródłaOkyay, Mehmet Onur Aytaç Sıtkı. "A portable real-time operating system for embedded platforms/". [s.l.]: [s.n.], 2004. http://library.iyte.edu.tr/tezler/master/bilgisayaryazilimi/T000477.doc.
Pełny tekst źródłaWells, George Clifford. "A study of real-time operating systems for microcomputers". Thesis, Rhodes University, 1990. http://hdl.handle.net/10962/d1004896.
Pełny tekst źródłaGoktepe, Meftun. "Windows XP Operating System security analysis". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02sep%5FGoktepe.pdf.
Pełny tekst źródłaThesis advisor(s): Richard Harkins, Cynthia Irvine. Includes bibliographical references (p. 105-107). Also available online.
Forbes, Harold C. "Operating system principles and constructs for dynamic multi-processor real-time control systems". Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/8165.
Pełny tekst źródłaBiondi, Mattia. "An Updated Emulated Architecture to Support the Study of Operating Systems". Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20751/.
Pełny tekst źródła