1.1 Introduction
... goal, computer hardware is constructed. Since hardware alone is not particularly easy to use, the common functions of controlling and allocating resources are then brought together into one piece of software: the operating system. A more common definition is that the operating system is the one prog ...
... goal, computer hardware is constructed. Since hardware alone is not particularly easy to use, the common functions of controlling and allocating resources are then brought together into one piece of software: the operating system. A more common definition is that the operating system is the one prog ...
N4Less11
... - same operation should mean the same thing * read from a file or a network should look the same * a “-” flag should be the same in different ...
... - same operation should mean the same thing * read from a file or a network should look the same * a “-” flag should be the same in different ...
Implementing Processes, Threads, and Resources
... •efficient use of resources (CPU time and memory space) •Maximize the availability of resources Exclusive use of resources - OS must provide resource isolation OS Mechanisms to Handle Performance and Exclusive use of resources •Processor Modes - hardware mode bit is used to distinguish between OS an ...
... •efficient use of resources (CPU time and memory space) •Maximize the availability of resources Exclusive use of resources - OS must provide resource isolation OS Mechanisms to Handle Performance and Exclusive use of resources •Processor Modes - hardware mode bit is used to distinguish between OS an ...
Windows 2000 OS Introduction
... 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 ...
... 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 ...
Semester 2 2012/2013
... Consider a system with 1MB of memory being partitioned using the buddy system. Draw a diagram showing the allocation of memory after each of the following ...
... Consider a system with 1MB of memory being partitioned using the buddy system. Draw a diagram showing the allocation of memory after each of the following ...
download
... 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 ...
... 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 ...
Operating System Functions and History
... 2. Macintosh OS running on Macintoshes which at that time used either the Motorola 68000 or Power PC processors. 3. Both systems resembled a cross between one user and stacked job batch systems, with a small IO library in memory without any protection and an interactive command interpreter reading ...
... 2. Macintosh OS running on Macintoshes which at that time used either the Motorola 68000 or Power PC processors. 3. Both systems resembled a cross between one user and stacked job batch systems, with a small IO library in memory without any protection and an interactive command interpreter reading ...
Operating System Kernels - Freie Universität Berlin
... In the beginning there are no operating systems for computers and the first operating systems did not include any kernel. The time elapsed and the computer had to support more hardware. But OS were developed further and it was time for the kernel-based operating systems. The first kernels were micro ...
... In the beginning there are no operating systems for computers and the first operating systems did not include any kernel. The time elapsed and the computer had to support more hardware. But OS were developed further and it was time for the kernel-based operating systems. The first kernels were micro ...
DeadLocks
... State of system? – Can reclaim resources held by process P0, but insufficient resources to fulfill other processes; requests. – Deadlock exists, consisting of processes P1, P2, P3, and P4. ...
... State of system? – Can reclaim resources held by process P0, but insufficient resources to fulfill other processes; requests. – Deadlock exists, consisting of processes P1, P2, P3, and P4. ...
Lecture 3: Concurrency
... number of different concurrent activities – Sometimes called multitasking, as in Ada… ...
... number of different concurrent activities – Sometimes called multitasking, as in Ada… ...
Operating System
... Relocation is the process of taking a program written as if it began at address 0 and changing all addresses to reflect the actual address at which the program is located in memory. Fence register can be used within relocation process. To each program address, the contents of the fence register are ...
... Relocation is the process of taking a program written as if it began at address 0 and changing all addresses to reflect the actual address at which the program is located in memory. Fence register can be used within relocation process. To each program address, the contents of the fence register are ...
Chapter 1
... I/O devices and the CPU can execute concurrently. Each device controller is in charge of a particular device type. Depending on the device controller, there may be more than one attached device. For example seven or more devices can be attached to a SCSI (small computer system interface) controlle ...
... I/O devices and the CPU can execute concurrently. Each device controller is in charge of a particular device type. Depending on the device controller, there may be more than one attached device. For example seven or more devices can be attached to a SCSI (small computer system interface) controlle ...
chapter06
... – First thread: generates results to be passed to a server by remote method invocation, but does not need a reply – Second thread: perform the remote method and block while the first thread is able to continue computing further ...
... – First thread: generates results to be passed to a server by remote method invocation, but does not need a reply – Second thread: perform the remote method and block while the first thread is able to continue computing further ...
Chorusamoeba
... Provides low-level memory management. Threads and allocate or deallocate segments of memory. Threads can be kernel threads or User threads which are a part of a Process Micro-kernel provides communication between different threads regardless of the nature or location of the threads RPC mechanism is ...
... Provides low-level memory management. Threads and allocate or deallocate segments of memory. Threads can be kernel threads or User threads which are a part of a Process Micro-kernel provides communication between different threads regardless of the nature or location of the threads RPC mechanism is ...
CH4
... Batch system – jobs Time-shared systems – user programs or tasks Textbook uses the terms job and process almost ...
... Batch system – jobs Time-shared systems – user programs or tasks Textbook uses the terms job and process almost ...
Introduction to Object Technology
... performance • RAID is a set of physical disk drives viewed by the OS as a single logical drive • data are distributed across physical drives in a way that enables simultaneous access to data from multiple ...
... performance • RAID is a set of physical disk drives viewed by the OS as a single logical drive • data are distributed across physical drives in a way that enables simultaneous access to data from multiple ...
Building the Wolfson Audio drivers into the kernel on
... Please Note: This guide is for medium to advanced users only as it assumes you have at least basic linux knowledge and describes the process of patching and re-compiling the kernel software on the Raspberry Pi in order to provide support for the Wolfson Audio Card. ...
... Please Note: This guide is for medium to advanced users only as it assumes you have at least basic linux knowledge and describes the process of patching and re-compiling the kernel software on the Raspberry Pi in order to provide support for the Wolfson Audio Card. ...
PDF
... Manage system services like network paging and filesystem support outside the kernel Kernel acts as cache manager ...
... Manage system services like network paging and filesystem support outside the kernel Kernel acts as cache manager ...
Process Description and Control
... Running – currently executing Ready – prepared to execute Blocked – cannot execute until some event occurs, e.g. I/O operation New – just created, typically not loaded into MM Exit – released from the pool of executable processes, either halt (completed) or aborted. ...
... Running – currently executing Ready – prepared to execute Blocked – cannot execute until some event occurs, e.g. I/O operation New – just created, typically not loaded into MM Exit – released from the pool of executable processes, either halt (completed) or aborted. ...
DEREE COLLEGE SYLLABUS FOR: ITC 2293 OPERATING
... As a result of taking this course, the student should be able to: 1. Demonstrate understanding of major operating system components and designs. 2. Utilize an operating system to perform computer management tasks and functions. 3. Explain the main principles and techniques used to manage processes a ...
... As a result of taking this course, the student should be able to: 1. Demonstrate understanding of major operating system components and designs. 2. Utilize an operating system to perform computer management tasks and functions. 3. Explain the main principles and techniques used to manage processes a ...
Lecture-4
... Relative priority “normal” is a base priority for each class – starting priority of the thread When the thread exhausts its quantum, the priority is lowered When the thread comes from a wait-state, the priority is increased depending on the reason for waiting ...
... Relative priority “normal” is a base priority for each class – starting priority of the thread When the thread exhausts its quantum, the priority is lowered When the thread comes from a wait-state, the priority is increased depending on the reason for waiting ...
(1) OS: Operating System
... Types of files in Unix - Structure of the file system - File System types - Parent & child relationship Directory handling and navigation (mkdir, rmdir,pwd and cd) The Path variable - Absolute and relative pathnames – The directories – Creating - Viewing (cat) - copying (cp) - renaming (mv) and dele ...
... Types of files in Unix - Structure of the file system - File System types - Parent & child relationship Directory handling and navigation (mkdir, rmdir,pwd and cd) The Path variable - Absolute and relative pathnames – The directories – Creating - Viewing (cat) - copying (cp) - renaming (mv) and dele ...
HW2_wet
... As we seen, handling many processes in pseudo parallel way, may have many advantages, but it also comes with a cost. The kernel must keep track of the relevant data for many processes, and context switching itself is an operation that consumes a little resources. Thus, it makes sense, in case that w ...
... As we seen, handling many processes in pseudo parallel way, may have many advantages, but it also comes with a cost. The kernel must keep track of the relevant data for many processes, and context switching itself is an operation that consumes a little resources. Thus, it makes sense, in case that w ...