CS307-slides02
... POSIX API for POSIX-based systems (UNIX, Linux, and Mac OS X) Java API for the Java virtual machine (JVM) Why use APIs rather than system calls? ...
... POSIX API for POSIX-based systems (UNIX, Linux, and Mac OS X) Java API for the Java virtual machine (JVM) Why use APIs rather than system calls? ...
Things to Know while installing Linux OS
... entire array as compared to a single disk. • The capacity of the array which is determined by the amount of user data that can be written to the array. The array capacity depends on the RAID level and does not always match the sum of the sizes of the RAID member disks. To calculate the capacity of t ...
... entire array as compared to a single disk. • The capacity of the array which is determined by the amount of user data that can be written to the array. The array capacity depends on the RAID level and does not always match the sum of the sizes of the RAID member disks. To calculate the capacity of t ...
B - 周清江副教授
... (a) If the priority for P1 is 3, for P2 is 1, and for P3 is 2, draw the Gantt chart with the priority scheduling. (Note: process with priority 1 has the highest priority) What is the average turnaround time? (b) Draw the Gantt chart with the round-robin scheduling with time quantum 1. What is the av ...
... (a) If the priority for P1 is 3, for P2 is 1, and for P3 is 2, draw the Gantt chart with the priority scheduling. (Note: process with priority 1 has the highest priority) What is the average turnaround time? (b) Draw the Gantt chart with the round-robin scheduling with time quantum 1. What is the av ...
ppt
... Capabilities: Unforgeable reference to a resource. All kernel resources are referenced by capabilities Resources are protected to ensure that extension reference the resources to which they have been given access SPIN implements capabilities directly using pointers A pointer can be passed from ...
... Capabilities: Unforgeable reference to a resource. All kernel resources are referenced by capabilities Resources are protected to ensure that extension reference the resources to which they have been given access SPIN implements capabilities directly using pointers A pointer can be passed from ...
Operating Systems
... Single-user systems Batch systems Multiprogrammed systems Time-sharing systems Real-time systems Interrupts, traps, and software interrupts (UNIX signals) Hardware protection ...
... Single-user systems Batch systems Multiprogrammed systems Time-sharing systems Real-time systems Interrupts, traps, and software interrupts (UNIX signals) Hardware protection ...
Computer Hardware and Software Infrastructure Operating System
... program attempts to make use of a shared resource at the same time only one routine at at time allowed to perform an update against the file ...
... program attempts to make use of a shared resource at the same time only one routine at at time allowed to perform an update against the file ...
Thread - Nipissing University Word
... thread in Figure 6.5 would use queue.wait() to wait for incoming requests. synchronized methods (and code blocks) implement the monitor abstraction. The operations within a synchronized method are performed atomically with respect to other synchronized methods of the same object. synchronized should ...
... thread in Figure 6.5 would use queue.wait() to wait for incoming requests. synchronized methods (and code blocks) implement the monitor abstraction. The operations within a synchronized method are performed atomically with respect to other synchronized methods of the same object. synchronized should ...
Word Processors
... In order for the OS to function correctly it must be able to communicate with all hardware devices attached to the computer, A device driver are instructions for the OS on how to communicate with each device, In order for a piece of hardware to work properly its own driver needs installing – it also ...
... In order for the OS to function correctly it must be able to communicate with all hardware devices attached to the computer, A device driver are instructions for the OS on how to communicate with each device, In order for a piece of hardware to work properly its own driver needs installing – it also ...
Components of a Linux System
... Its history has been one of collaboration by many users from all around the world, corresponding almost exclusively over the Internet ...
... Its history has been one of collaboration by many users from all around the world, corresponding almost exclusively over the Internet ...
xwindows - WordPress.com
... 2. management role within kernel of operating system – applications tied to operating system ...
... 2. management role within kernel of operating system – applications tied to operating system ...
Introduction
... Eventually, the program terminates, its memory space is freed, so the next program can be loaded and executed. To improve response and utilization, few programs reside in the memory, requiring memory management. OS is responsible for the following to manage memory: • Keeping track of which parts of ...
... Eventually, the program terminates, its memory space is freed, so the next program can be loaded and executed. To improve response and utilization, few programs reside in the memory, requiring memory management. OS is responsible for the following to manage memory: • Keeping track of which parts of ...
Course Introduction - Washington University in St. Louis
... Helps to develop a broadly applicable skill set ...
... Helps to develop a broadly applicable skill set ...
Operating Systems
... This course will provide an introduction to operating system design and implementation. The operating system provides an efficient interface between user programs and the hardware of the computer on which they run. The operating system is responsible for allowing resources (such as processors, disks ...
... This course will provide an introduction to operating system design and implementation. The operating system provides an efficient interface between user programs and the hardware of the computer on which they run. The operating system is responsible for allowing resources (such as processors, disks ...
ch2-OS-Structure
... System goals – operating system should be easy to design, implement, and maintain, as well as flexible, reliable, error-free, and efficient ...
... System goals – operating system should be easy to design, implement, and maintain, as well as flexible, reliable, error-free, and efficient ...
Operating Systems I: Chapter 1
... – application programs can (efficiently and fairly) access system resources (processor time, memory, file space, I/O devices, etc.) The OS need not perform any other useful function: it is a control environment (kernel) controls access to all resources – All other software is an application program ...
... – application programs can (efficiently and fairly) access system resources (processor time, memory, file space, I/O devices, etc.) The OS need not perform any other useful function: it is a control environment (kernel) controls access to all resources – All other software is an application program ...
Module 3: Operating
... Additional functions exist not for helping the user, but rather for ensuring efficient system operation. • Resource allocation – allocating resources to multiple users or multiple jobs running at the same time. • Accounting – keep track of and record which users use how much and what kinds of comput ...
... Additional functions exist not for helping the user, but rather for ensuring efficient system operation. • Resource allocation – allocating resources to multiple users or multiple jobs running at the same time. • Accounting – keep track of and record which users use how much and what kinds of comput ...
No Slide Title
... •The first step in the Boot Process after the power is turned on to the computer is the Power On Self Test (POST). •After the POST routine is complete, the computer will locate a boot device, and load the Master Boot Record (MBR) into memory, which in turn locates the active partition and loads it i ...
... •The first step in the Boot Process after the power is turned on to the computer is the Power On Self Test (POST). •After the POST routine is complete, the computer will locate a boot device, and load the Master Boot Record (MBR) into memory, which in turn locates the active partition and loads it i ...
CS307-slides01
... What is an Operating System? An operating system is a program that manages the computer hardware A program that acts as an intermediary between a user of a computer and ...
... What is an Operating System? An operating system is a program that manages the computer hardware A program that acts as an intermediary between a user of a computer and ...
Introduction
... and what kinds of computer resources Protection and security - The owners of information stored in a multi-user or networked computer system may want to control use of that information, concurrent processes should not interfere with each other Protection involves ensuring that all access to system ...
... and what kinds of computer resources Protection and security - The owners of information stored in a multi-user or networked computer system may want to control use of that information, concurrent processes should not interfere with each other Protection involves ensuring that all access to system ...
Slide 1
... – Windows XP – designed for fast, powerful computers with much memory and hard disk space – Windows 7 – released in late 2009; requires powerful hardware to run; features faster boot and shut down times © Paradigm Publishing, Inc. ...
... – Windows XP – designed for fast, powerful computers with much memory and hard disk space – Windows 7 – released in late 2009; requires powerful hardware to run; features faster boot and shut down times © Paradigm Publishing, Inc. ...
Presentation: Operating systems
... We covered five of the most important things an operating system does. Without looking back, can you recall what they were? ...
... We covered five of the most important things an operating system does. Without looking back, can you recall what they were? ...
Basic Unix - University of Arizona
... • Unix is an operating system – sits between the hardware and the user/applications – provides high-level abstractions (e.g., files, processes) and services (e.g., multiprogramming) ...
... • Unix is an operating system – sits between the hardware and the user/applications – provides high-level abstractions (e.g., files, processes) and services (e.g., multiprogramming) ...