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Academic literature on the topic 'VMS (Système d'exploitation des ordinateurs)'
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Dissertations / Theses on the topic "VMS (Système d'exploitation des ordinateurs)"
Hsu, Lung-Cheng. "Pbase : une base de données déductive en Prolog." Compiègne, 1988. http://www.theses.fr/1988COMPD126.
Full textThis thesis describes a relational database system coupling PROLOG II and VAX RMS (Record Management Services). The SQL-like DDL (Data Definition Language) and DML (Data Manipulation Language) are implemented in PROLOG and the management of storage and research of fact record is delegated to RMS. The indexed file organization is adopted to provide a satisfactory response time. An interface written in PASCAL is called to enable the communication between PROLOG and RMS. Once the interface is established, access to the database is transparent. No precompilation is requiert. PBASE can be used as a general DBMS or it can cooperate with an expert system (Our SQL translation module can be considered as such) to manage the voluminous facts stored in the secondary memory. It can also cooperate with VAX RDB (Relational DataBase) to constitute a powerful deductive database. Although PBASE works for normalized relations as well as non-normalized ones, a normalization module is included to avoid the problems caused by the redundancy of data
Karam, Louis. "Pseu : prototype d'un système d'exploitation universel." Aix-Marseille 3, 1993. http://www.theses.fr/1993AIX32027.
Full textComputers are making progress so rapidly that concepts and tools primarily defined for medium or large machines are now being applied to microcomputers. It is obvious that it is the case for operating systems which can seem to be an obstacle when someone wishes to use components of a computer other than the machine language. The first objective of this thesis is to povide a proven simple and logical method of a universal operating system prototype. The second objective of this thesis is to allow administrators without an elaborate knowledge of operating systems to remain in control and independent when confronted by counsellors or computer salesmen. The third objective is to attract computer firm' attention on problems during the course of each migration by proposing solutions which can be the centre of a more complex development
Boukhobza, Jalil. "Etude et analyse des performances et simulation des accès aux fichiers sur PC." Versailles-St Quentin en Yvelines, 2004. http://www.theses.fr/2004VERS0019.
Full textThe evolution of storage subsystems and more particularly disks was considerable this last decade. However, the performance gap between secondary storage and processor is still increasing. It is therefore crucial to well choose the storage subsystem and to know how to use it in an optimal way. In order to resolve this problem, a complete understanding of the software and hardware behaviours of storage systems as well as the interactions between the different modules of the I/O system is required. We are interested in this thesis in the benchmarking, the performance analysis and the simulation of the storage architecture on PCs. We are particularly studying the I/O system under Windows and the file access mechanisms. The use of some parameters in the file opening and creation function CreateFile under Windows decides on the way files are accessed. The choice of a read ahead algorithm, a lazy write strategy, the system data block size and other parameters is done by the system and depends on those function parameters. It is thus very important to understand the impact of those choices on the I/O performance of the system that are of course relative to the injected workload. The realized work consists of finding at first an efficient way to measure the specific Windows storage system performance depending on the parameters like those specified in the CreateFile function and request sizes. We have noticed very important performance fluctuations relative to the file access strategy used. We have then developed a methodology to analyse Windows storage systems. We have identified thanks to this methodology different parameters that helped us to understand the performance fluctuations we obtained. It is the response time analysis step that allowed this understanding. We observed that response times are periodic when the accessed blocks were stored sequentially on the disk, that was the starting point of our analysis. Once the performance study and analysis done, a behavioral simulator of the Windows storage system has been developed. It allows for instance the performance evaluation of a given workload on defined storage architecture for a user to decide of the most effective access strategy to adopt before implementing his application
Mzouri, Azzeddine. "Les protocoles de communication dans un système d'exploitation réparti." Paris 11, 1988. http://www.theses.fr/1988PA112072.
Full textChebili, Mourad. "Une interface intelligente d'assistance à l'utilisation d'un système d'exploitation." Paris 8, 2000. http://www.theses.fr/2000PA081858.
Full textGrimaud, Gilles. "Camille : un système d'exploitation ouvert pour carte à microprocesseur." Lille 1, 2000. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2000/50376-2000-452.pdf.
Full textLebee, Pierre. "Mise en œuvre d'une architecture spécialisée pour l'exécution d'un système d'exploitation réparti : Chorus." Compiègne, 1986. http://www.theses.fr/1986COMPI249.
Full textA new generation of operating systems is born during the last ten years : distributed operating system oriented network. Three key-concepts are strongly developed : standardization, distribution and parallelism. One of these systems is CHORUS (TM). This project launched at INRIA, has elaborated an architecture far distributed systems. CHORUS offers a UNIX compatibility, is independent of the hardware architecture and of networks. This paper describes a complete computer architecture fitted to CHORUS, based on transputers and Clippers. The project is developed at UTC in the IlS department. The major feature of the machine lays on the fact that the operating system is executed by a dedicated processor : the Transputer. User's tasks are executed on a Clipper. These two processors are called a Heterogeneous Parallel Distributed processor (HPD). The HPD Machine (HPDM) is modular and may be composed of rive HPD processors. Transputers are fully connected by their serial links, avoiding bus bottlenecks. Clippers have a local shared memory accessible by their private bus, or by a global bus. A third bus is used by the DMAC supporting l/0 operations (disk, ETHERNET, X2S) and accessing the local shared memories and Clipper's private memories. This bus permits l/O operations without decreasing global bus bandwidth. HPDMs may be connected together by ETHERNET or X25 network
Hanibeche, Rafik. "La sûreté de fonctionnement dans les systèmes d'exploitation répartis : application dans le système chorus/mix : mécanismes pour la haute disponibilité des données non volatiles." Paris 7, 1993. http://www.theses.fr/1993PA077057.
Full textDeville, Damien. "CamilleRT : un système d'exploitation temps réel extensible pour carte à microprocesseur." Lille 1, 2004. https://ori-nuxeo.univ-lille1.fr/nuxeo/site/esupversions/9f245270-7f66-4a80-842b-e1a2e267e31b.
Full textGaillardon, Philippe. "Accès aux fichiers partagés : une réalisation sous le système VM." Lyon 1, 1988. http://www.theses.fr/1988LYO10064.
Full textBooks on the topic "VMS (Système d'exploitation des ordinateurs)"
Co-auteur, Tornsdorf Manfred, ed. Trucs et astuces MS-DOS. Paris: Micro Application, 1989.
Find full textRohaut, Sébastien. Linux: Maîtrisez l'administration du système. 2nd ed. St Herblain: Éd. ENI, 2009.
Find full textGlinsky, Peter, Frank Gehrke, Forbjön Gripp, Michèle Joinville, and Jean-Louis Gréco. Linux. Paris: Sybex, 1999.
Find full text-, Cartron Daniel 19, and Singodiwirjo Hermantino, eds. Débuter sous Linux. 2nd ed. Paris: Eyrolles, 2004.
Find full textG, Esser H., Forster T, and Leonhard Christophe, eds. Linux: Mandrake 7.0. Paris: Micro Application, 1999.
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