Chapter 10 - Operating Systems
... can interact with the computer – allows an application program to interact with these other system resources ...
... can interact with the computer – allows an application program to interact with these other system resources ...
Lecture-1
... provides services to some other programs • Main advantages: reusability and modularity ...
... provides services to some other programs • Main advantages: reusability and modularity ...
Operating Systems
... Two processes block each other from continuing Conditions that lead to deadlock 1. Competition for non-sharable resources 2. At least two resources are needed by both processes 3. An allocated resource can not be forcibly retrieved ...
... Two processes block each other from continuing Conditions that lead to deadlock 1. Competition for non-sharable resources 2. At least two resources are needed by both processes 3. An allocated resource can not be forcibly retrieved ...
pdf
... Structure -- how is an operating system organized ? Concurrency -- how are parallel activities created and controlled ? Sharing -- how are resources shared among users ? Naming -- how are resources named by users or programs ? Protection -- how is one user/program protected from another ? Security - ...
... Structure -- how is an operating system organized ? Concurrency -- how are parallel activities created and controlled ? Sharing -- how are resources shared among users ? Naming -- how are resources named by users or programs ? Protection -- how is one user/program protected from another ? Security - ...
Operating system components 1.process management 2.memory
... For convenient use of the computer system, the operating system provides a uniform logical view of information storage. The operating system abstracts from the physical properties of its storage devices to define a logical storage unit, the file. Files are mapped, by the operating system, onto physi ...
... For convenient use of the computer system, the operating system provides a uniform logical view of information storage. The operating system abstracts from the physical properties of its storage devices to define a logical storage unit, the file. Files are mapped, by the operating system, onto physi ...
Operating Systems
... For convenient use of the computer system, the operating system provides a uniform logical view of information storage. The operating system abstracts from the physical properties of its storage devices to define a logical storage unit, the file. Files are mapped, by the operating system, onto physi ...
... For convenient use of the computer system, the operating system provides a uniform logical view of information storage. The operating system abstracts from the physical properties of its storage devices to define a logical storage unit, the file. Files are mapped, by the operating system, onto physi ...
CCN3133 Computer System Principles
... Memory management requirement; Memory partitioning; Paging; Segmentation; Dynamic Link Library (DLL); System programming for memory management. Processor Scheduling Types of processor scheduling; Scheduling algorithms; Multiprocessor scheduling; Case Study. ...
... Memory management requirement; Memory partitioning; Paging; Segmentation; Dynamic Link Library (DLL); System programming for memory management. Processor Scheduling Types of processor scheduling; Scheduling algorithms; Multiprocessor scheduling; Case Study. ...
VMS-Spr-2001-sect-1-group
... Process State Structure • The process state structure for VMS involves a process priority queue where processes are ranked in priority from 0 to 31 • 16-31 is a high priority real-time process • 0-15 is a normal process • Normal processes are moved up in the queue if they are critical to the operat ...
... Process State Structure • The process state structure for VMS involves a process priority queue where processes are ranked in priority from 0 to 31 • 16-31 is a high priority real-time process • 0-15 is a normal process • Normal processes are moved up in the queue if they are critical to the operat ...
ppt
... • Assemblers are the simplest of all programming tools. They translate mnemonic instructions to machine code. • Most assemblers carry out this translation in two passes over the source code. —The first pass partially assembles the code and builds the symbol table —The second pass completes the instr ...
... • Assemblers are the simplest of all programming tools. They translate mnemonic instructions to machine code. • Most assemblers carry out this translation in two passes over the source code. —The first pass partially assembles the code and builds the symbol table —The second pass completes the instr ...
Process management
... can interact with the computer – allows an application program to interact with these other system resources ...
... can interact with the computer – allows an application program to interact with these other system resources ...
Operating Systems - Mid Yell Junior High School
... Batch Processing: transaction data is gathered in one large file and processed at some other time eg payroll processing. ...
... Batch Processing: transaction data is gathered in one large file and processed at some other time eg payroll processing. ...
Introduction
... • Communication: how can we exchange information ? • Concurrency: how are parallel activities created and controlled ? • Scale, growth: what happens as demands or resources increase ? • Persistence: how can data outlast processes that created them • Compatibility: can we ever do anything new ? • Dis ...
... • Communication: how can we exchange information ? • Concurrency: how are parallel activities created and controlled ? • Scale, growth: what happens as demands or resources increase ? • Persistence: how can data outlast processes that created them • Compatibility: can we ever do anything new ? • Dis ...
Unit OS1: The Evolution of Operating Systems
... Fair resource management: CPU scheduling, spooling, mutual exclusion Real-Time Systems (process control systems) Management of time-critical processes High requirements with respect to reliability and availability ...
... Fair resource management: CPU scheduling, spooling, mutual exclusion Real-Time Systems (process control systems) Management of time-critical processes High requirements with respect to reliability and availability ...
COS 318: Operating Systems Virtual Memory and Address Translation Andy Bavier
... Write back if there is no free entry Check if the page containing the PTE is in memory If not, perform page fault handling Load the PTE into the TLB Restart the faulting instruction ...
... Write back if there is no free entry Check if the page containing the PTE is in memory If not, perform page fault handling Load the PTE into the TLB Restart the faulting instruction ...
dasan.sejong.ac.kr
... Processor time alternates between execution of user programs and execution of the monitor ...
... Processor time alternates between execution of user programs and execution of the monitor ...
Main Memory
... locate the appropriate memoryresident library routine • Stub replaces itself with the address of the routine, and executes the routine • OS checks if routine is in processes’ memory address • Also known as shared libraries (e.g. ...
... locate the appropriate memoryresident library routine • Stub replaces itself with the address of the routine, and executes the routine • OS checks if routine is in processes’ memory address • Also known as shared libraries (e.g. ...
System
... kernel as though they were all hardware • provides an interface identical to the underlying bare hardware • The operating system host creates the illusion that a process has its own processor and (virtual memory) • Each guest provided with a (virtual) copy of underlying computer ...
... kernel as though they were all hardware • provides an interface identical to the underlying bare hardware • The operating system host creates the illusion that a process has its own processor and (virtual memory) • Each guest provided with a (virtual) copy of underlying computer ...
Operating Systems
... by creating various processes and threads within those processes. A process is nothing more than some memory allocated to a running program, and the threads are individual streams of execution within a process. The kernel orchestrates various processes and their threads so that multiple programs can ...
... by creating various processes and threads within those processes. A process is nothing more than some memory allocated to a running program, and the threads are individual streams of execution within a process. The kernel orchestrates various processes and their threads so that multiple programs can ...
What is an Operating System?
... while other servers standby. Symmetric clustering: all N hosts are running the application. ...
... while other servers standby. Symmetric clustering: all N hosts are running the application. ...
CS204 Operating Systems
... 1. To impart fundamental understanding of the purpose, structure, functions of operating system. 2. To impart the key design issues of an operating system Syllabus Basic concepts of Operating System, its structure, Process management, inter-process communication, process synchronization, CPU Schedul ...
... 1. To impart fundamental understanding of the purpose, structure, functions of operating system. 2. To impart the key design issues of an operating system Syllabus Basic concepts of Operating System, its structure, Process management, inter-process communication, process synchronization, CPU Schedul ...
pdf
... Structure -- how is an operating system organized ? Concurrency -- how are parallel activities created and controlled ? Sharing -- how are resources shared among users ? Naming -- how are resources named by users or programs ? Protection -- how is one user/program protected from another ? Security - ...
... Structure -- how is an operating system organized ? Concurrency -- how are parallel activities created and controlled ? Sharing -- how are resources shared among users ? Naming -- how are resources named by users or programs ? Protection -- how is one user/program protected from another ? Security - ...
interrupt
... Timesharing (multitasking) is logical extension in which 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 ...
... Timesharing (multitasking) is logical extension in which 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 ...
Intro - Stanford Secure Computer Systems Group
... (e.g., bring a page in from disk only when accessed) ...
... (e.g., bring a page in from disk only when accessed) ...
Operating System principles And Multitasking
... time before it either finishes or needs to perform I/O. Since interactive I/O typically runs at people speeds, it may take a long time to complete. During this time a CPU can be utilized by another process. Operating system allows the users to share the computer simultaneously. Since each action or ...
... time before it either finishes or needs to perform I/O. Since interactive I/O typically runs at people speeds, it may take a long time to complete. During this time a CPU can be utilized by another process. Operating system allows the users to share the computer simultaneously. Since each action or ...