OPERATING SYSTEM-TECHNOLOGY
An operating system or OS is a software program that enables the computer hardware to communicate and operate with the computer software. An operating system is software that allows a user to run other applications on a computing device. operating system is aprogram that controls and manages the hardware and other software on a computer.laptop, tablet, desktop, smartphone, smartwatch, router,cctv camera
Location based services using android mobileoperating system
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Abstract: The motivation for every location based information system is: To assist with the exact information, at right place in real time with personalized setup and location sensitiveness . In this era we are dealing with palmtops and iPhones, which are going to
Operating SystemImplications of Fast, Cheap, Non-Volatile Memory.
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Abstract. The existence of two basic levels of storage (fast/volatile and slow/non-volatile) has been a long-standing premise of most computer systems, influencing the design of OS components, including file systems, virtual memory, scheduling, execution models, and even
IX: A protected dataplaneoperating systemfor high throughput and low latency
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Abstract The conventional wisdom is that aggressive networking requirements, such as high packet rates for small messages and microsecond-scale tail latency, are best addressed outside the kernel, in a user-level networking stack. We present IX, a dataplaneoperating
Embracing diversity in the Barrelfish manycoreoperating system
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ABSTRACT We discuss diversity and heterogeneity in manycore computer systems, and identify three distinct types of diversity, all of which present challenges tooperating system designers and application writers alike. We observe that most current research work has
TRON: Process-Specific File Protection for the UNIXOperating System .
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Abstract The file protection mechanism provided in UNIX is insufficient for current computing environments. While the UNIX file protection system attempts to protect users from attacks by other users, it does not directly address the agents of destruction-executing processes. As
The foundations of a provably secureoperating system(PSOS)
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PSOS has been designed according to a set of formal techniques embodying the SRI Hierarchical Development Methodology (HDM). HDM has been described elsewhere, 1-3 and thus is only summarized here. The influence of HDM on the security of PSOS is also
ROS: an open-source RobotOperating System
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AbstractThis paper gives an overview of ROS, an opensource robotoperating system . ROS is not anoperating systemin the traditional sense of process management and scheduling; rather, it provides a structured communications layer above the host operating
Operating systemconcepts essentials
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Operating systems are an essential part of any computer system. Similarly, a course on operating systems is an essential part of any computer science education. This field is undergoing rapid change, as computers are now prevalent in virtually every arena of day-to-
Modernoperating system
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The third edition of this book differs from the second edition in numerous ways. To start with, the chapters have been reordered to place the central material at the beginning. There is also now more of a focus on theoperating systemas the creator of abstractions. Chapter 1,
The Mosix DistributedOperating System : Load Balancing for Unix (Lecture Notes in Computer Science)
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This book describes the design and internals of the MOSIX distributed
The design of the UNIXoperating system
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UNIXis a registered trademark of ATT. DEC, PDF; and VAX are trademarks of Digital Equipment Carp. Series 32000 is a trademark of National Semiconductor Corp. Wide is a registered trademark of the US. Government (Ade Joint Program Office). UNIVAC is a
EnhancedOperating SystemSecurity Through Efficient and Fine-grained Address Space Randomization.
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Page 1. EnhancedOperating SystemSecurity Through Efficient and Fine-grained Address Space Randomization Cristiano Giuffrida Anton Kuijsten Andrew S. Tanenbaum Vrije Universiteit Amsterdam 21st USENIX Security Symposium Bellevue, WA, USA August 8-10, 2012 1 / 19
Software defects and their impact on system availability: A study of field failures in operating systems
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To gain the necessary insight, we study defects reported between 1986 and 1889 from a on a high-endoperating systemproduct [Endres75] studied software errors found during internal testing the DOS/VSoperating system
Operating SystemSupport for Virtual Machines.
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Abstract: A virtual-machine monitor (VMM) is a useful technique for adding functionality below existingoperating systemand application software. One class of VMMs (called Type II VMMs) builds on the abstractions provided by a hostoperating system . Type II VMMs are
Using sparse capabilities in a distributedoperating system
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ABSTRACT Most distributed operating systems constructed to date have lacked a unifying mechanism for naming and protection. In this paper we discuss a system, Amoeba, that uses capabilities for naming and protecting objects. In contrast to traditional, centralized operating
A linux-based real-timeoperating system
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Abstract This work describes the design, implementation, and possible applications of Real- Time Linux| a hard real-time version of the Linuxoperating system . In this system, a standard time-sharing OS and a real-time executive run on the same computer. Interrupt controller
Operating systemprotection through program evolution.
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From the beginning of electronic computing until 15 years ago, the gameof attack and defense was played on a system by system basis, with defenders relying on physical security and ad-hocoperating systemprotection methods and attackers guessing
Microkerneloperating systemarchitecture and Mach
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Abstract Modular architectures based on a microkemel are suitable bases for the design and implemen-tation of Operating systems. Prototype systems employing microkemel architectures are achieving the levels of functionality and performance expected and
The UNIXoperating system
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By Kaare Christian: The UNIXOperating Systemthis is an archival site the creation of the unixoperating systemafter three decades of use the unix computeroperating systemfrom bell labs is still 22022012nbsp; video embeddednbsp; watch new atandt archive films every
The Nachos instructionaloperating system
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ABSTRACT In teaching operating systems at an undergraduate level, we believe that it is important to provide a project that is realistic enough to show how real operating systems work, yet is simple enough that the students can understand and modify it in significant
Grasshopper: An orthogonally persistentoperating system
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Abstract For ten years researchers have been attempting to construct programming language systems that support orthogonal persistence above conventional operating systems. This approach has proven to be poor; researchers invariably construct a complete
The real-timeoperating systemof MARS
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ABSTRACT This paper gives a short overview of the architecture of the distributed real-time system MARS (MAintainable Real-Time System) and describes the design and implementation of itsoperating system . The main purpose of the MARS kernel is to achieve
SLIC: An Extensibility System for Commodity Operating Systems.
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these systems. In response to this problem, a number of recent research projects have explored noveloperating systemarchitectures to support untrusted ex- tensions, including SPIN, VINO, Exokernel, and Fluke. Un- fortunately
Gdev: First-Class GPU Resource Management in theOperating System .
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Abstract Graphics processing units (GPUs) have become a very powerful platform embracing a concept of heterogeneous many-core computing. However, application domains of GPUs are currently limited to specific systems, largely due to a lack offirst-class
The JXOperating System .
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Abstract This paper describes the architecture and performance of the JXoperating system . JX is both anoperating systemcompletely written in Java and a runtime system for Java applications. Our work demonstrates that it is possible to build a completeoperating system
A taxonomy of security faults in the unixoperating system
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I would like to thank my thesis advisor Dr. Eugene Spa ord for guiding me through my reaserch. Dr. Spa ord provided me the insight to tackle di erent problems, read several drafts of the thesis and made invaluable comments. I also thank him for being so patient and
Virtual memory management in the VAX/VMSoperating system
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VAX-11/750, introduced in 1980, are Digital Equipment Corporations first implementations of the 32-bit VAX-11 minicomputer architecture.Eventually, there will be a family of VAX-11 minicomputers. The VAX-11 and its VAX/VMSoperating systemwere designed to provide
KSOS-The design of a secureoperating system
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This paper discusses the design of the Department of Defense (DoD) Kernelized Secure Operating System(KSOS, formerly called Secure UNIX). PAPER KSOS is intended to provide a provably secureoperating systemfor larger minicomputers. KSOS will provide a system call
The Pebble Component-BasedOperating System .
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Abstract Pebble is a newoperating systemdesigned with the goals of flexibility, safety, and performance. Its architecture combines a set of features heretofore not found in a single system, including (a) a minimal privileged mode nucleus, responsible for switching between
2K: A Reflective, Component-BasedOperating Systemfor Rapidly Changing Environments
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Modern computing environments face both low-frequency infrastructural changes, such as software and hardware upgrades, and frequent changes, such as fluctuations in the network bandwidth and CPU load. However, existing operating systems are not designed to cope
Betteroperating systemfeatures for faster network servers
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Abstract Widely-used operating systems provide inadequate support for large-scale Internet server applications. Their algorithms and interfaces fail to efficiently support either event- driven or multi-threaded servers. They provide poor control over the scheduling and
OS vOptimizing theOperating Systemfor Virtual Machines
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Abstract Virtual machines in the cloud typically run existing general-purpose operating systems such as Linux. We notice that the clouds hypervisor already provides some features, such as isolation and hardware abstraction, which are duplicated by traditional
Trust and Protection in the Illinois BrowserOperating System .
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Abstract Current web browsers are complex, have enormous trusted computing bases, and provide attackers with easy access to modern computer systems. In this paper we introduce the Illinois BrowserOperating System(IBOS), a newoperating systemand a new browser
CiAO: An Aspect-OrientedOperating SystemFamily for Resource-Constrained Embedded Systems.
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Abstract This paper evaluates aspect-oriented programming (AOP) as a first-class concept for implementing configurability in system software for resource-constrained embedded systems. To compete against proprietary special-purpose solutions, system software for this
Libra: a libraryoperating systemfor a jvm in a virtualized execution environment
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Abstract If theoperating systemcould be specialized for every application, many applications would run faster. For example, Java virtual machines (JVMs) provide their own threading model and memory protection, so general-purposeoperating system
The VFiasco approach for a verifiedoperating system
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The quality of todays main-stream operating systems is not sufficient for safety-critical and security-critical applications. In this paper we discuss several possible approaches to build anoperating systemthat is safer and more secure. We especially focus on the approach
Operating systemsupport for integrated network emulation in imunes
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As invaluable tools in networked and distributed systems research, network emulators offer a viable alternative to live experimental/testbed networks. We present a methodology for emulating computer networks by using a general-purpose OS kernel partitioned into multiple
BOSS: BuildingOperating SystemServices.
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Abstract Commercial buildings are attractive targets for introducing innovative cyber- physical control systems, because they are already highly instrumented distributed systems which consume large quantities of energy. However, they are not currently programmable in
The structure of a multi-serviceoperating system
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Summary Increases in processor speed and network bandwidth have led to workstations being used to process multimedia data in real time. These applications have requirements not met by existing operating systems, primarily in the area of resource control: there is a
Operating systemstability and security through process homeostasis
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Abstract Modern computer systems are plagued with stability and security problems: applications lose data, web servers are hacked, and systems crash under heavy load. Many of these problems arise from rare program behaviors. pH (process Homeostasis) is a Linux
Solaris Zones:Operating SystemSupport for Server Consolidation.
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A growing number of users are interested in improving the utilization of their computing resources through consolidation and aggregation. Consolidation is already common in mainframe environments, where technology to support running multiple applications and
Resource management in the Mungi single-address-spaceoperating system
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Abstract We present the accounting system used for backing store management in the Mungi singleaddress-spaceoperating system . The model is designed such that all accounting can be done asynchronously to operations on storage objects, and hence
An Implementation of UNIX on an object-orientedoperating system
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Abstract This paper describes an implementation of UNIX on top of an object-oriented operating system . UNIX is implemented without modifying the underlying mechanisms provided by the base system. The resulting system runs dynamically-linked UNIX binaries
An object-orientedoperating system
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Operating systemsoftware should be e cient and exible. Furthermore, anoperating system should survive a lifetime of changes without sacri cing either of these properties. Among others, these changes include advances in hardware technology and changing demands
An energy conservation DVFS algorithm for the androidoperating system
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AbstractTypically, when a user wishes to minimise the energy consumption for an application running on a handheld device, he/she may choose to set the processor speed to its slowest level. However, our study indicated that due to the processes involved in memory
Operating systemscheduling on heterogeneous core systems
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Abstract We make a case that a thread scheduler for heterogeneous multicore systems should target three objectives: optimal performance, core assignment balance and response time fairness. Performance optimization via optimal thread-to-core assignment has been
Towards a verified, general-purposeoperating systemkernel
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Abstract.Operating systemkernels are complex, critical, and difficult to test systems. The imperative nature ofoperating systemimplementations, the programming languages chosen, and the usually selected implementation style combine to make verification of a
The Exokerneloperating systemarchitecture
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Abstract On traditional operating systems only trusted software such as privileged servers or the kernel can manage resources. This thesis proposes a new approach, the exokernel architecture, which makes resource management unprivileged but safe by separating
Operating SystemI/O Speculation: How Two Invocations Are Faster Than One.
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Abstract We present an in-kernel disk prefetcher which uses speculative execution to determine what data an application is likely to require in the near future. By placing our design within theoperating system we provide several benefits compared to the previous
Retrofitting Quality of Service into a Time-SharingOperating System .
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Abstract Theoretical aspects of proportional share schedulers have received considerable attention recently. We contribute practical considerations on how to retro t such schedulers into mainstream time-sharing systems. In particular, we propose/reserv, a uniform API for
KSOS-development methodology for a secureoperating system
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The goal of the Department of Defense Kernelized SecureOperating System(KSOS) project is to design, implement and prove a secureoperating system . Specifically, it is desired that KSOS be designed and proven to enforce a security model, derived from the security
On the configuration of non-functional properties inoperating systemproduct lines
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ABSTRACT Reaching a good separation, maintainability and configurability of non- functional concerns like performance, timeliness or dependability is a frequently expressed but still unrealisable hope of using AOP technology. Non-functional properties have the
Operating systemfundamentals for the EYES distributed sensor network
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AbstractOne of the problems related to sensor networks built up from large number of nodes having limited capabilities is theoperating systemrunning inside each node. It must provide a lot of functionality and allow easy development of applications, but has very
PicOS: A TinyOperating Systemfor Extremely Small Embedded Platforms.
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Abstract We present a certain programming paradigm for implementing low-footprint applications on small embedded platforms and a tinyoperating systembased on that paradigm. The primary objective of our work was to create a friendly environment for rapid,
An aspect-oriented implementation of interrupt synchronization in the PUREoperating systemfamily
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Abstract Some concerns in the design of operating systems are hard to modularize in the implementation and thus difficult to maintain. One of thesecrosscutting concernsis the interrupt synchronization strategy. Changing that strategy is typically expensive and risky.
Design Rationale for Psyche a General-Purpose MultiprocessorOperating System .
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ABSTRACT The Psyche project at the University of Rochester aims to develop a high performanceoperating systemto support a wide variety of models for parallel programming. It is predicated on the conviction that DO one model of process state or style of COlD-
Operating SystemPerformance in Support of Real-Time Middleware.
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Abstract Commercial-off-the-shelf (COTS) hardware and software is being evaluated and/or used in an increasing range of missioncritical distributed real-time and embedded (DRE) systems. Due to substantial RD investment over the past decade, COTS middleware has
Hierarchical Run-Time Reconfiguration Managed by anOperating Systemfor Reconfigurable Systems.
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Abstract The need for flexible computational power has motivated many researchers to incorporate run-time reconfigurable logic into their architectures. Most contemporary experiments include commercial FPGAs serving as reconfigurable hardware. Unfortunately,
Devices in a multi-serviceoperating system
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Summary Increases in processor speed and network and device bandwidth have led to general purpose workstations being called upon to process continuous media data in real time. Conventional operating systems are unable to cope with the high loads and strict
Improvingoperating systemavailability with dynamic update
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Abstract Dynamic update is a mechanism that allows software updates and patches to be applied without loss of service or down-time. Dynamic update of anoperating system enables administrators to defer rebooting or restarting services and the resultant disruption, < -SOFTWARE SALES SERVICE-https://www.engpaper.net--