VMworld 2007 Breakout Template
... Customized open source stacks and diverse versions/distributions ...
... Customized open source stacks and diverse versions/distributions ...
UNIX
... Typically boot loaders have been highly integrated with the operating system that they support. This integration cuts down on the operations a boot loader must perform, making a 512 byte boot loader feasible. When more functionality is required, a multi-stage boot loader may be used. A multi-stage b ...
... Typically boot loaders have been highly integrated with the operating system that they support. This integration cuts down on the operations a boot loader must perform, making a 512 byte boot loader feasible. When more functionality is required, a multi-stage boot loader may be used. A multi-stage b ...
Processes - UniMAP Portal
... the exclusive control of the kernel A LWP can be in the following states: running: assigned to CPU = executing blocked because the KLT issued a blocking system call (but the ULT remains bound to that LWP and remains active) runnable: waiting to be dispatched to CPU ...
... the exclusive control of the kernel A LWP can be in the following states: running: assigned to CPU = executing blocked because the KLT issued a blocking system call (but the ULT remains bound to that LWP and remains active) runnable: waiting to be dispatched to CPU ...
What is an Operating System?
... Protection – any mechanism for controlling access of processes or users to resources defined by the OS Security – defense of the system against internal and external attacks Huge range, including denial-of-service, worms, viruses, identity theft, theft of service Systems generally first distinguish ...
... Protection – any mechanism for controlling access of processes or users to resources defined by the OS Security – defense of the system against internal and external attacks Huge range, including denial-of-service, worms, viruses, identity theft, theft of service Systems generally first distinguish ...
Resource Guide for Windows Server 2008 R2 Early Adopters
... mechanism that applications can use to schedule their own threads. An application can switch between UMS threads in user mode without involving the system scheduler and regain control of the processor if a UMS thread blocks in the kernel. UMS threads differ from fibers in that each UMS thread has it ...
... mechanism that applications can use to schedule their own threads. An application can switch between UMS threads in user mode without involving the system scheduler and regain control of the processor if a UMS thread blocks in the kernel. UMS threads differ from fibers in that each UMS thread has it ...
[ppt
... overlooking a few of these issues. The solution adopted was to canonicalize in the kernel after copying the filenames. ...
... overlooking a few of these issues. The solution adopted was to canonicalize in the kernel after copying the filenames. ...
Interrupts and interrupt handlers - Washington University in St. Louis
... – Indicated by an electrical signal to a processor – On ARM, multiplexed by the Generic Interrupt ...
... – Indicated by an electrical signal to a processor – On ARM, multiplexed by the Generic Interrupt ...
Kernel I/O Subsystem
... Application I/O Interface I/O system calls encapsulate device behaviors in generic classes Device-driver layer hides differences among I/O controllers from kernel Devices vary in many dimensions ...
... Application I/O Interface I/O system calls encapsulate device behaviors in generic classes Device-driver layer hides differences among I/O controllers from kernel Devices vary in many dimensions ...
Lecture Notes- Operating Systems
... o Program execution - The system must be able to load a program into memory and to run that program, end execution, either normally or abnormally (indicating error) o I/O operations - A running program may require I/O, which may involve a file or an I/O device o File-system manipulation - The file s ...
... o Program execution - The system must be able to load a program into memory and to run that program, end execution, either normally or abnormally (indicating error) o I/O operations - A running program may require I/O, which may involve a file or an I/O device o File-system manipulation - The file s ...
Real-time operating system survey
... For multiple threads to communicate among each other, in a timely fashion, predictable inter-thread communication and synchronization mechanisms are required. Also, supported should be the ability to lock/unlock resources to achieve data integrity. ...
... For multiple threads to communicate among each other, in a timely fashion, predictable inter-thread communication and synchronization mechanisms are required. Also, supported should be the ability to lock/unlock resources to achieve data integrity. ...
Advanced Operating Systems
... To well understand OS architecture and design. To establish a base for future Operating System research and development. To discuss latest developments in OS computer via class lectures and assigned readings. To find the current research issues in the field. Finally, prepare to perform some projects ...
... To well understand OS architecture and design. To establish a base for future Operating System research and development. To discuss latest developments in OS computer via class lectures and assigned readings. To find the current research issues in the field. Finally, prepare to perform some projects ...
Computer-System Architecture
... Interrupt architecture must save the address of the interrupted instruction. Incoming interrupts are disabled while another interrupt is being processed to prevent a lost interrupt. A trap is a software-generated interrupt caused either by an error or a user request. A modern operating system is int ...
... Interrupt architecture must save the address of the interrupted instruction. Incoming interrupts are disabled while another interrupt is being processed to prevent a lost interrupt. A trap is a software-generated interrupt caused either by an error or a user request. A modern operating system is int ...
Operating System Layer
... Figure shows the operating system layer at each of two nodes supporting a common middleware layer and providing distributed infrastructure for applications and services. ...
... Figure shows the operating system layer at each of two nodes supporting a common middleware layer and providing distributed infrastructure for applications and services. ...
Abstract View of System Components
... addresses of all the service routines. Interrupt architecture must save the address of the interrupted instruction. Incoming interrupts are disabled while another interrupt is being processed to prevent a lost interrupt. A trap is a software-generated interrupt caused either by an error or a user re ...
... addresses of all the service routines. Interrupt architecture must save the address of the interrupted instruction. Incoming interrupts are disabled while another interrupt is being processed to prevent a lost interrupt. A trap is a software-generated interrupt caused either by an error or a user re ...
Virtualization: Architectural Considerations And Other
... particular components of the operating system, to run inside virtual machines without modification. • Paravirtualization requires the operating system to be modified before it can run inside the virtual machine. Depending on the part of the operating system being changed, the modification may be ex ...
... particular components of the operating system, to run inside virtual machines without modification. • Paravirtualization requires the operating system to be modified before it can run inside the virtual machine. Depending on the part of the operating system being changed, the modification may be ex ...
All versions of the Microsoft Windows operating system create
... folder. Users do not routinely write data to these locations. The pagefile.sys and name variants are a file that is maintained by the OS as “scratch” space. This is a very large file, usually at least as big as the available computer memory. It is disk file used by Windows for its virtual memory. A ...
... folder. Users do not routinely write data to these locations. The pagefile.sys and name variants are a file that is maintained by the OS as “scratch” space. This is a very large file, usually at least as big as the available computer memory. It is disk file used by Windows for its virtual memory. A ...
ch1 - CE Sharif
... Mode bit provided by hardware Provides ability to distinguish when system is running user code or kernel code Some instructions designated as privileged, only executable in kernel mode System call changes mode to kernel, return from call resets it to user ...
... Mode bit provided by hardware Provides ability to distinguish when system is running user code or kernel code Some instructions designated as privileged, only executable in kernel mode System call changes mode to kernel, return from call resets it to user ...
Writing Web Pages
... is speed; the switching is so fast that users feel that their programs are always running. ...
... is speed; the switching is so fast that users feel that their programs are always running. ...
Chapter 2 Computer System Structure
... addresses of all the service routines. Interrupt architecture must save the address of the interrupted instruction. Incoming interrupts are disabled while another interrupt is being processed to prevent a lost interrupt. A trap is a software-generated interrupt caused either by an error or a user re ...
... addresses of all the service routines. Interrupt architecture must save the address of the interrupted instruction. Incoming interrupts are disabled while another interrupt is being processed to prevent a lost interrupt. A trap is a software-generated interrupt caused either by an error or a user re ...