ch16
... existing one, by receiving a duplicated handle from another process, or by inheriting a handle from its parent process. Each object is protected by an access control list. The executive name space is extensible to allow naming of files, ...
... existing one, by receiving a duplicated handle from another process, or by inheriting a handle from its parent process. Each object is protected by an access control list. The executive name space is extensible to allow naming of files, ...
Chapter 16: Windows 7
... existing one, by receiving a duplicated handle from another process, or by inheriting a handle from its parent process. Each object is protected by an access control list. The executive name space is extensible to allow naming of files, ...
... existing one, by receiving a duplicated handle from another process, or by inheriting a handle from its parent process. Each object is protected by an access control list. The executive name space is extensible to allow naming of files, ...
the linux operating system
... result, any modification, such as adding a new device driver or file system function, is difficult. This problem is especially acute for Linux, for which development is global and done by a loosely associated group of independent programmers. Although Linux does not use a microkernel approach, it ac ...
... result, any modification, such as adding a new device driver or file system function, is difficult. This problem is especially acute for Linux, for which development is global and done by a loosely associated group of independent programmers. Although Linux does not use a microkernel approach, it ac ...
UNIX I
... ¥ system call used by UNIX mv command ¥ only possible within a file system ① path2 is unlinked ② path2 is linked to the file pointed to by path1 ③ path1 is unlinked ¥ result: path2 points to the file path1 used to point to ...
... ¥ system call used by UNIX mv command ¥ only possible within a file system ① path2 is unlinked ② path2 is linked to the file pointed to by path1 ③ path1 is unlinked ¥ result: path2 points to the file path1 used to point to ...
Kernel - Duke University
... of execution within the same address space. – Create a context for a new thread with makecontext. – Modify saved contexts at will. – Context switch with swapcontext: transfer a core from one thread to another (“change drivers”) ...
... of execution within the same address space. – Create a context for a new thread with makecontext. – Modify saved contexts at will. – Context switch with swapcontext: transfer a core from one thread to another (“change drivers”) ...
Chapter 13: I/O Systems
... E.g., large message split into small packets over the network and reassembled at the receiving end" ...
... E.g., large message split into small packets over the network and reassembled at the receiving end" ...
No Slide Title
... Used to avoid programmed I/O (one byte at a time) for large data movement that would slow down the ...
... Used to avoid programmed I/O (one byte at a time) for large data movement that would slow down the ...
Operating Systems File System File System File System Functions
... of E&IT, Warsaw University of Technology/* if it cannot be opened,Operating / File System – p. 6/37 out_fd = creat(argv[2], OUTPUT _MODE); /* create the destination file */ ...
... of E&IT, Warsaw University of Technology/* if it cannot be opened,Operating / File System – p. 6/37 out_fd = creat(argv[2], OUTPUT _MODE); /* create the destination file */ ...
The Rise and Fall of the Operating System
... While containers are cheaper, the downside is the difficulty in making guarantees about security and isolation between guests. The current cloud trend is gearing towards unikernels, a term coined and popularized by the MirageOS project [6], where the idea is that you look at cloud guests just like y ...
... While containers are cheaper, the downside is the difficulty in making guarantees about security and isolation between guests. The current cloud trend is gearing towards unikernels, a term coined and popularized by the MirageOS project [6], where the idea is that you look at cloud guests just like y ...
Abstract View of System Components
... have been placed on the operation of a processor or the flow of data; thus, it is Often used as a control device in a dedicated application such as controlling scientific experiments, medical imaging systems, industrial control systems, and some display systems. A real-time system has well-defin ...
... have been placed on the operation of a processor or the flow of data; thus, it is Often used as a control device in a dedicated application such as controlling scientific experiments, medical imaging systems, industrial control systems, and some display systems. A real-time system has well-defin ...
File Systems
... – Unix mount system call does this • mounting does not make two file systems into one file system – it merely creates a single, hierarchical namespace that combines the namespaces of two file systems – the new namespace is temporary - it exists only until the file system is ...
... – Unix mount system call does this • mounting does not make two file systems into one file system – it merely creates a single, hierarchical namespace that combines the namespaces of two file systems – the new namespace is temporary - it exists only until the file system is ...
CS 350 Operating Systems Course Notes
... • multiprogramming means having multiple processes existing at the same time • most modern, general purpose operating systems support multiprogramming • all processes share the available hardware resources, with the sharing coordinated by the operating system: – Each process uses some of the availab ...
... • multiprogramming means having multiple processes existing at the same time • most modern, general purpose operating systems support multiprogramming • all processes share the available hardware resources, with the sharing coordinated by the operating system: – Each process uses some of the availab ...
Course Introduction
... sharing: how are resources shared across users? naming: how are resources named (by users or programs)? security: how is the integrity of the OS and its resources ensured? protection: how is one user/program protected from another? performance: how do we make it all go fast? reliability: what happen ...
... sharing: how are resources shared across users? naming: how are resources named (by users or programs)? security: how is the integrity of the OS and its resources ensured? protection: how is one user/program protected from another? performance: how do we make it all go fast? reliability: what happen ...
Cosc513-11 operating systems LINUX
... and control various aspects of your system, and is capable of handling a wide range of programs and tasks. More information on Linuxconf, including its status, most recent release, and more can be found at the Linuxconf Project homepage: ...
... and control various aspects of your system, and is capable of handling a wide range of programs and tasks. More information on Linuxconf, including its status, most recent release, and more can be found at the Linuxconf Project homepage: ...
Blue Background
... What is Linux? Overview Linux can be divided into four major components: Kernel Kernel is the core program that runs programs and manages hardware devices such as disks and printers. ...
... What is Linux? Overview Linux can be divided into four major components: Kernel Kernel is the core program that runs programs and manages hardware devices such as disks and printers. ...
1999 - 2000
... allowed the CPU to be used much more effectively. When one job had to wait for an I/O request, another program could use the CPU. The concept of multiprogramming led to a need for a more complex operating system. One was now needed that could schedule tasks and deal with all the problems that this b ...
... allowed the CPU to be used much more effectively. When one job had to wait for an I/O request, another program could use the CPU. The concept of multiprogramming led to a need for a more complex operating system. One was now needed that could schedule tasks and deal with all the problems that this b ...
GNU
... the freedom to improve the program, and release the improvements to the public (Access to the source code is a precondition for this) ...
... the freedom to improve the program, and release the improvements to the public (Access to the source code is a precondition for this) ...
volonino_ppt_06
... order to understand how and where data is stored on the storage device(s). This chapter provides this foundation, along with how data is communicated from host to host across a ...
... order to understand how and where data is stored on the storage device(s). This chapter provides this foundation, along with how data is communicated from host to host across a ...
ICS 143 - Introduction to Operating Systems
... Separate user from computer User submits card deck cards put on tape tape processed by operator output written to tape tape printed on printer ...
... Separate user from computer User submits card deck cards put on tape tape processed by operator output written to tape tape printed on printer ...