Chapter 2: Operating
... File-system manipulation - The file system is of particular interest. Obviously, programs need to read and write files and directories, create and delete them, search them, list file Information, permission management. ...
... File-system manipulation - The file system is of particular interest. Obviously, programs need to read and write files and directories, create and delete them, search them, list file Information, permission management. ...
2.01
... system call Exact type and amount of information vary according to OS and call Three general methods used to pass parameters to the OS Simplest: pass the parameters in registers In some cases, may be more parameters than registers Parameters stored in a block, or table, in memory, and addres ...
... system call Exact type and amount of information vary according to OS and call Three general methods used to pass parameters to the OS Simplest: pass the parameters in registers In some cases, may be more parameters than registers Parameters stored in a block, or table, in memory, and addres ...
Operating Systems
... Process states, Process Scheduling, Process hierarchy, Threads, Threading issues, Multithreading models, Non-pre-emptive and pre-emptive scheduling algorithms, Concurrent processes, Critical section, Semaphores, methods for inter-process communication, Deadlocks. [1] Page 101 to 113, Page 115 to 122 ...
... Process states, Process Scheduling, Process hierarchy, Threads, Threading issues, Multithreading models, Non-pre-emptive and pre-emptive scheduling algorithms, Concurrent processes, Critical section, Semaphores, methods for inter-process communication, Deadlocks. [1] Page 101 to 113, Page 115 to 122 ...
slides
... Operating System Design Goals • User goals – operating system should be convenient to use, easy to learn, reliable, secure, and fast. • System goals – operating system should be easy to design, implement, and maintain, as well as flexible, reliable, errorfree, and efficient. ...
... Operating System Design Goals • User goals – operating system should be convenient to use, easy to learn, reliable, secure, and fast. • System goals – operating system should be easy to design, implement, and maintain, as well as flexible, reliable, errorfree, and efficient. ...
Operating System - Chap1: An Introduction to Operating System
... 5) ENIAC:- The Electrical Numerical Integrator and Calculator Machine , is the name if First Generation Computer which uses the Vacuum Tubes which consume 20 by 40 Square Feet Large Room For Operating. And this Computer was developed in the Moore School of Pennsylvania. But it operates on Limited In ...
... 5) ENIAC:- The Electrical Numerical Integrator and Calculator Machine , is the name if First Generation Computer which uses the Vacuum Tubes which consume 20 by 40 Square Feet Large Room For Operating. And this Computer was developed in the Moore School of Pennsylvania. But it operates on Limited In ...
ch3
... communication network Communication takes place using a protocol A distributed system provides user access to various system resources Access to a shared resource allows: ...
... communication network Communication takes place using a protocol A distributed system provides user access to various system resources Access to a shared resource allows: ...
1.01
... One or more CPUs, device controllers connect through common bus providing access to shared memory ...
... One or more CPUs, device controllers connect through common bus providing access to shared memory ...
High Performance Application-Oriented Operating Systems
... while analyzing the application. For example, the decision of whether the operating system will include support for multitasking or not, cannot be made based only on the application. The fact that the application does not show any evidence that multiple processes may need to run concurrently in a si ...
... while analyzing the application. For example, the decision of whether the operating system will include support for multitasking or not, cannot be made based only on the application. The fact that the application does not show any evidence that multiple processes may need to run concurrently in a si ...
Chapter 1 - PowerPoint
... in memory and on disk (the CPU is allocated to a job only if the job is in memory). A job swapped in and out of memory to the disk. On-line communication between the user and the system is provided; when the operating system finishes the execution of one command, it seeks the next “control state ...
... in memory and on disk (the CPU is allocated to a job only if the job is in memory). A job swapped in and out of memory to the disk. On-line communication between the user and the system is provided; when the operating system finishes the execution of one command, it seeks the next “control state ...
HistoryAndHardware
... Can adopt technology developed for larger operating systems Individuals have sole use of computer - only multiprogramming. May run several different types of operating systems (Windows, MacOS, UNIX, Linux) ...
... Can adopt technology developed for larger operating systems Individuals have sole use of computer - only multiprogramming. May run several different types of operating systems (Windows, MacOS, UNIX, Linux) ...
Chapter 3
... Secondary-Storage Management Since main memory (primary storage) is volatile and too ...
... Secondary-Storage Management Since main memory (primary storage) is volatile and too ...
Operating Systems
... handle a high volume of numerical operations for many users needs different functions than the PC used to run a word processor. In general, operating systems are organized by the size, type, and purpose of the computer on which they run. For example, PC-class computers are designed for individual us ...
... handle a high volume of numerical operations for many users needs different functions than the PC used to run a word processor. In general, operating systems are organized by the size, type, and purpose of the computer on which they run. For example, PC-class computers are designed for individual us ...
Operating-System Structures
... Parameters stored in a block, or table, in memory, and address of block passed as a parameter in a register This approach taken by Linux and Solaris Parameters placed, or pushed, onto the stack by the program and popped off the stack by the operating system Block and stack methods do not limit the ...
... Parameters stored in a block, or table, in memory, and address of block passed as a parameter in a register This approach taken by Linux and Solaris Parameters placed, or pushed, onto the stack by the program and popped off the stack by the operating system Block and stack methods do not limit the ...
slides
... Solution An application could: 1) Prevent I/O operations from ever completing; 2) Prevent time from advancing, thus dominating the processor Applications cannot modify the interrupt vector because it lives in the kernel address space. Any attempt to modify the interrupt vector raises a kernel e ...
... Solution An application could: 1) Prevent I/O operations from ever completing; 2) Prevent time from advancing, thus dominating the processor Applications cannot modify the interrupt vector because it lives in the kernel address space. Any attempt to modify the interrupt vector raises a kernel e ...
Operating System Organization Purpose of an OS
... distinguish between OS and user instructions •Kernels - most critical part of OS placed in kernel (trusted software module) •Method of invoking system service - calling a system function or sending a message to a system process ...
... distinguish between OS and user instructions •Kernels - most critical part of OS placed in kernel (trusted software module) •Method of invoking system service - calling a system function or sending a message to a system process ...
Chapter 5 - Nawar.us
... Mac OS has a graphical user interface which is the first ever to use a mouse. ...
... Mac OS has a graphical user interface which is the first ever to use a mouse. ...
Operating System
... is capable of executing only one program as the other programs waits for their turn. And since it’s the kernel which executes the program one kernel is sufficient. However, different users at different terminals are trying to seek kernel’s attention. And since the user interacts with the kernel thro ...
... is capable of executing only one program as the other programs waits for their turn. And since it’s the kernel which executes the program one kernel is sufficient. However, different users at different terminals are trying to seek kernel’s attention. And since the user interacts with the kernel thro ...
The Architecture of a Reliable Operating System,
... A single-server system has a reduced kernel, and runs a large fraction of the operating system as a single, monolithic user-mode server. In terms of reliability, this setup adds little over monolithic systems, as there still is a single point of failure. The only gain in case of an operating system ...
... A single-server system has a reduced kernel, and runs a large fraction of the operating system as a single, monolithic user-mode server. In terms of reliability, this setup adds little over monolithic systems, as there still is a single point of failure. The only gain in case of an operating system ...
The Operating System As A Signalling Mechanism
... our architecture easily takes advantage of such programmable peripherals, as opposed to the awkward manner in which they are used by current operating systems. Even when programmability is not a feature, scatter-gather I/O can be used to compose the data with network headers without having to copy t ...
... our architecture easily takes advantage of such programmable peripherals, as opposed to the awkward manner in which they are used by current operating systems. Even when programmability is not a feature, scatter-gather I/O can be used to compose the data with network headers without having to copy t ...
Embracing diversity in the Barrelfish manycore
... The mainline Linux 2.6 kernel supports discontiguous memory and memory allocation policies [3]. Efficient support for discontiguous memory is implemented by adding another layer of address space, called linear physical addresses that are finally mapped to physical addresses. This way, Linux makes re ...
... The mainline Linux 2.6 kernel supports discontiguous memory and memory allocation policies [3]. Efficient support for discontiguous memory is implemented by adding another layer of address space, called linear physical addresses that are finally mapped to physical addresses. This way, Linux makes re ...
Introduction
... service them. We will refer to secondary storage and communication devices jointly as I/O devices. Another degree of complexity is added when the computer system consists of more than one CPU. This can take several different forms, depending on the sharing level of the system’s hardware components. ...
... service them. We will refer to secondary storage and communication devices jointly as I/O devices. Another degree of complexity is added when the computer system consists of more than one CPU. This can take several different forms, depending on the sharing level of the system’s hardware components. ...
download
... – Overview Windows 2000 and product variations – Introduce key Windows 2000 concepts such as the Win32 API, processes, threads, virtual memory, kernel mode and user mode – Introduce tools that can be used to examine Windows 2000 internal behaviour ...
... – Overview Windows 2000 and product variations – Introduce key Windows 2000 concepts such as the Win32 API, processes, threads, virtual memory, kernel mode and user mode – Introduce tools that can be used to examine Windows 2000 internal behaviour ...