Summary for chapter 2 OPERATING SYSTEM nAJWA kNEFATI
... For either files or directories, we need to be able to determine the values of various attributes and perhaps to reset them. File attributes include the file name, file type, protection codes, accounting information, and so on. At least two system calls, get file attributes () and set file attri ...
... For either files or directories, we need to be able to determine the values of various attributes and perhaps to reset them. File attributes include the file name, file type, protection codes, accounting information, and so on. At least two system calls, get file attributes () and set file attri ...
sample PPT 2 - Virginia Tech
... interdomain signaling cost • Shared lock free request and ready queues for dispatch & wakeup • Supports all of POSIX (including polling & signals) • Minimal changes to existing Linux system (<20KLoC) ...
... interdomain signaling cost • Shared lock free request and ready queues for dispatch & wakeup • Supports all of POSIX (including polling & signals) • Minimal changes to existing Linux system (<20KLoC) ...
here
... 5. Enumerate, explain, and differentiate between different mechanisms of interprocess communication and synchronisation 6. Analyse the architecture of a computer system and understand the significance of different architectural features and their affect on system administration. 7. Perform basic and ...
... 5. Enumerate, explain, and differentiate between different mechanisms of interprocess communication and synchronisation 6. Analyse the architecture of a computer system and understand the significance of different architectural features and their affect on system administration. 7. Perform basic and ...
Intro and using Linux Commands
... – CISC – Complex instruction set computer – RISC – Reduced instruction set computer (reduced number of instructions because the hardware performs tasks not in the instruction set) ...
... – CISC – Complex instruction set computer – RISC – Reduced instruction set computer (reduced number of instructions because the hardware performs tasks not in the instruction set) ...
Introduction - Purdue University
... What is an Operating System (OS) • It is a system program that sits between hardware and application programs. • The program starts running at boot time. • Who boots up the OS? – BIOS self-check -> determining boot device -> first sector loaded and executed -> partitionspecific boot loader loaded a ...
... What is an Operating System (OS) • It is a system program that sits between hardware and application programs. • The program starts running at boot time. • Who boots up the OS? – BIOS self-check -> determining boot device -> first sector loaded and executed -> partitionspecific boot loader loaded a ...
Lecture 2 - Overview
... signal to processor to say it has completed part of task. Processor can then assign more work for device. • Example 1 playing music in cd player can work ...
... signal to processor to say it has completed part of task. Processor can then assign more work for device. • Example 1 playing music in cd player can work ...
Slide 1
... Multiprocessor Systems ( parallel systems or tightly coupled systems) • More than one processor in close communication, share bus and clock, other resources • Can increase throughput, save on shared resources, provide greater reliability Distributed systems ( loosely coupled systems) Distribute th ...
... Multiprocessor Systems ( parallel systems or tightly coupled systems) • More than one processor in close communication, share bus and clock, other resources • Can increase throughput, save on shared resources, provide greater reliability Distributed systems ( loosely coupled systems) Distribute th ...
Computers: Tools for an Information Age
... Describe the methods of resource allocation on large computers Describe the differences among multiprocessing, multiprogramming, and time-sharing Explain the principles of memory management List several functions that are typically performed by utility programs Copyright © 2003 by Prentice Hall ...
... Describe the methods of resource allocation on large computers Describe the differences among multiprocessing, multiprogramming, and time-sharing Explain the principles of memory management List several functions that are typically performed by utility programs Copyright © 2003 by Prentice Hall ...
Chapter03 - Home - KSU Faculty Member websites
... Describe the methods of resource allocation on large computers Describe the differences among multiprocessing, multiprogramming, and time-sharing Explain the principles of memory management List several functions that are typically performed by utility programs Copyright © 2003 by Prentice Hall ...
... Describe the methods of resource allocation on large computers Describe the differences among multiprocessing, multiprogramming, and time-sharing Explain the principles of memory management List several functions that are typically performed by utility programs Copyright © 2003 by Prentice Hall ...
Operating System organization
... Operating System Organizations • The literature in operating systems is full of papers of simple, elegant systems like this one • Simple • Easy to build and maintain by small teams • Very instructive for study ...
... Operating System Organizations • The literature in operating systems is full of papers of simple, elegant systems like this one • Simple • Easy to build and maintain by small teams • Very instructive for study ...
CMSC 312 Introduction to Operating System Syllabus
... This undergraduate course provides a thorough introduction into the topic of operating systems. The students will be expected to have programming and reasoning abilities, as well as background on data structures and computer organization. Upon successful completion of this course, the student will b ...
... This undergraduate course provides a thorough introduction into the topic of operating systems. The students will be expected to have programming and reasoning abilities, as well as background on data structures and computer organization. Upon successful completion of this course, the student will b ...
Welcome to NETS3304/3604 Operating System Internals
... CPU switches jobs so frequently that users can interact with each job while it is running, creating interactive computing Response time should be < 1 second Each user has at least one program executing in memory process If several jobs ready to run at the same time scheduling ...
... CPU switches jobs so frequently that users can interact with each job while it is running, creating interactive computing Response time should be < 1 second Each user has at least one program executing in memory process If several jobs ready to run at the same time scheduling ...
DISTRIBUTED OPERATING SYSTEM
... execution may require specialized processor - Software preference – required software may be available at only a particular site - Data access – run process remotely, rather than transfer all data locally ...
... execution may require specialized processor - Software preference – required software may be available at only a particular site - Data access – run process remotely, rather than transfer all data locally ...
Course - University American College Skopje
... Late Work Many reasons are given for late work (e.g., flat tires, printer problems, illness, oversleeping, etc.). No matter what the reason, the bottom line is that either (a) the work was completed and turned in when required or (b) the assignment was not completed and turned in when required. As s ...
... Late Work Many reasons are given for late work (e.g., flat tires, printer problems, illness, oversleeping, etc.). No matter what the reason, the bottom line is that either (a) the work was completed and turned in when required or (b) the assignment was not completed and turned in when required. As s ...
history
... • OS consisted of an input/output system for reading and writing magnetic tapes and a command interpreter for JCL on cards ...
... • OS consisted of an input/output system for reading and writing magnetic tapes and a command interpreter for JCL on cards ...
CS 550 Operating Systems - James Madison University
... brute force search of the entire device infeasible. Instead, investigators must understand how computers structure data (both in memory and in storage devices) as a first step to finding the data. The key to this search is metadata. This course will prepare you for later work in digital forensics by ...
... brute force search of the entire device infeasible. Instead, investigators must understand how computers structure data (both in memory and in storage devices) as a first step to finding the data. The key to this search is metadata. This course will prepare you for later work in digital forensics by ...
slides - network systems lab @ sfu
... Resource allocation When multiple users or multiple jobs running concurrently, resources must be allocated to each of them ...
... Resource allocation When multiple users or multiple jobs running concurrently, resources must be allocated to each of them ...
Slide 1
... operation of the system and must be resident in memory all the time. Others can be loaded into memory only when they are needed, and executed just like other programs. The critical programs are loaded into memory by the bootstrap loader at start-up time and will remain resident as long as the comput ...
... operation of the system and must be resident in memory all the time. Others can be loaded into memory only when they are needed, and executed just like other programs. The critical programs are loaded into memory by the bootstrap loader at start-up time and will remain resident as long as the comput ...
Lecture 11
... operation of the system and must be resident in memory all the time. Others can be loaded into memory only when they are needed, and executed just like other programs. The critical programs are loaded into memory by the bootstrap loader at start-up time and will remain resident as long as the comput ...
... operation of the system and must be resident in memory all the time. Others can be loaded into memory only when they are needed, and executed just like other programs. The critical programs are loaded into memory by the bootstrap loader at start-up time and will remain resident as long as the comput ...
D00_Files
... An absolute path, describing a path starting at the root directory of the file system When ever a path is mentioned in the discussion that follows, it can be either relative or absolute ...
... An absolute path, describing a path starting at the root directory of the file system When ever a path is mentioned in the discussion that follows, it can be either relative or absolute ...
Homework: OS Organization
... Submit: In lab 4 you completed building the core of an exokernel-based operating system. In class you studied xv6, a monolithic operating systems. Both are intend to support the UNIX API, but their internal organizations are different. A good example is the virtual memory implementation: JOS impleme ...
... Submit: In lab 4 you completed building the core of an exokernel-based operating system. In class you studied xv6, a monolithic operating systems. Both are intend to support the UNIX API, but their internal organizations are different. A good example is the virtual memory implementation: JOS impleme ...
Batch systems
... Operating systems have been evolving through the years ... Since operating systems have historically been closely tied to the architecture of the computers on which they run, we will look at successive generations of computers to see what their operating systems were like. This mapping of operating ...
... Operating systems have been evolving through the years ... Since operating systems have historically been closely tied to the architecture of the computers on which they run, we will look at successive generations of computers to see what their operating systems were like. This mapping of operating ...
cs459 - Operating Systems: Introduction
... using a job control interface. Goal: minimize setup time, minimize idle time • Real time: Often part of special purpose embedded systems with no user interface. Goal: satisfy well-defined hard or soft time constraints • Time shared: Responds to multiple users at workstations. Scheduling is based on ...
... using a job control interface. Goal: minimize setup time, minimize idle time • Real time: Often part of special purpose embedded systems with no user interface. Goal: satisfy well-defined hard or soft time constraints • Time shared: Responds to multiple users at workstations. Scheduling is based on ...
Operating Systems Review
... _____ and _____ commands. a) cut, paste b) copy, paste c) file, open 5. When _____ , a computer performs two or more procedures or programs at the same time. a) threading b) task switching c) multitasking 6. Software programs that allow the operating system and applications to use specific hardware ...
... _____ and _____ commands. a) cut, paste b) copy, paste c) file, open 5. When _____ , a computer performs two or more procedures or programs at the same time. a) threading b) task switching c) multitasking 6. Software programs that allow the operating system and applications to use specific hardware ...
What is an Operating System
... lower-level (physical) resources (e.g., files). Definition: Is a collection of software enhancements, executed on the bare hardware, culminating in a high-level virtual machine that serves as an advanced programming environment ...
... lower-level (physical) resources (e.g., files). Definition: Is a collection of software enhancements, executed on the bare hardware, culminating in a high-level virtual machine that serves as an advanced programming environment ...