9781439079201_PPT_ch14
... – Accessed by application programs – Provides hardware-independent services • System functions • Memory management, file and record management Understanding Operating Systems, Sixth Edition ...
... – Accessed by application programs – Provides hardware-independent services • System functions • Memory management, file and record management Understanding Operating Systems, Sixth Edition ...
Discussion #05
... scheduling priority of the process. In some systems, several values are required (e.g., default, current, highest-allowable) •Scheduling-related information: This will depend on the scheduling algorithm used. Examples are the amount of time that the process has been waiting and the amount of time th ...
... scheduling priority of the process. In some systems, several values are required (e.g., default, current, highest-allowable) •Scheduling-related information: This will depend on the scheduling algorithm used. Examples are the amount of time that the process has been waiting and the amount of time th ...
Assignment0: Linux Basics and /proc
... makes /proc the current directory. Once you have made /proc the current directory, you can list its contents by using the ls command. The contents appear to be ordinary files and directories. However, a file in /proc or one of its subdirectories is actually a program that reads kernel variables and ...
... makes /proc the current directory. Once you have made /proc the current directory, you can list its contents by using the ls command. The contents appear to be ordinary files and directories. However, a file in /proc or one of its subdirectories is actually a program that reads kernel variables and ...
Chapter 6: Operating Systems: The Genie in the Computer
... The operating system: A collection of programs that manages and controls applications and other software, and coordinates the various hardware components to perform tasks requested by the user. • Allows use of (partial list!) – the keyboard – the mouse – printing to a printer of your choice – viewin ...
... The operating system: A collection of programs that manages and controls applications and other software, and coordinates the various hardware components to perform tasks requested by the user. • Allows use of (partial list!) – the keyboard – the mouse – printing to a printer of your choice – viewin ...
Midterm1-su13
... e) Where was the first operating system with a graphical user interface developed? ...
... e) Where was the first operating system with a graphical user interface developed? ...
pps - AquaLab - Northwestern University
... Scheduling the server-side of P2P systems Response time experienced by users of P2P services is dominated by downloading process. – >80% of all download requests in Kazaa are rejected due to capacity saturation at server peers – >50% of all requests for large objects (>100MB) take more than one day ...
... Scheduling the server-side of P2P systems Response time experienced by users of P2P services is dominated by downloading process. – >80% of all download requests in Kazaa are rejected due to capacity saturation at server peers – >50% of all requests for large objects (>100MB) take more than one day ...
Ch 1 Getting Started with the Operating System
... computer refer them to documentation that came with Windows software so they can initiate installation or upgrade. Good time to introduce students to your lab procedures and/or instructions for work to be done at home or at the office. Windows XP Professional Edition – disabled features. - Backup – ...
... computer refer them to documentation that came with Windows software so they can initiate installation or upgrade. Good time to introduce students to your lab procedures and/or instructions for work to be done at home or at the office. Windows XP Professional Edition – disabled features. - Backup – ...
csci19f2
... scan and the other for new requests during the scan • When a scan begins, all new requests are in one of the queues, with the other being empty • During the scan, all new requests are put into the queue that was initially empty • Thus, service of new requests is deferred until all the old requests h ...
... scan and the other for new requests during the scan • When a scan begins, all new requests are in one of the queues, with the other being empty • During the scan, all new requests are put into the queue that was initially empty • Thus, service of new requests is deferred until all the old requests h ...
OVERVIEW: Linux and Unix
... Dennis Ritchie sketched out an operating system that would meet Bell Labs' needs, soon become Unix. • In 1973, UNIX, was rewritten in C as Version 4 by Dennis Ritchie and Brian Kernighan. • Two major hot-beds of Unix development were at the University of California, Berkeley, which later became BSD ...
... Dennis Ritchie sketched out an operating system that would meet Bell Labs' needs, soon become Unix. • In 1973, UNIX, was rewritten in C as Version 4 by Dennis Ritchie and Brian Kernighan. • Two major hot-beds of Unix development were at the University of California, Berkeley, which later became BSD ...
Solution to Lab Project 2.1
... 1. The operating system functions DOS supports are: user interface, memory management, file management, and device management. The job management, task management, and security functions are completely unsupported in DOS. User interface, file management, memory management, and device management are ...
... 1. The operating system functions DOS supports are: user interface, memory management, file management, and device management. The job management, task management, and security functions are completely unsupported in DOS. User interface, file management, memory management, and device management are ...
What is an Operating System?
... Operating System Structure 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 ...
... Operating System Structure 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 ...
Chapter 1: OS overview
... Operating System Structure 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 ...
... Operating System Structure 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 ...
lecture31-dec11
... does not hold any other resources. – Require process to request and be allocated all its resources before it begins execution, or allow process to request resources only when the process has none. – Low resource utilization; starvation possible. ...
... does not hold any other resources. – Require process to request and be allocated all its resources before it begins execution, or allow process to request resources only when the process has none. – Low resource utilization; starvation possible. ...
Operating Systems
... The first step in selecting an OS is to ensure that the OS being considered fully supports the requirements of the end user. Does the OS support the applications that will be run? Is the security and functionality sufficient for the needs of the users? Next, conduct research to make sure that suffic ...
... The first step in selecting an OS is to ensure that the OS being considered fully supports the requirements of the end user. Does the OS support the applications that will be run? Is the security and functionality sufficient for the needs of the users? Next, conduct research to make sure that suffic ...
ppt
... Cooperating processes: one process can affect or be affected by other processes Advantages: ...
... Cooperating processes: one process can affect or be affected by other processes Advantages: ...
Chapter 4 - people.vcu.edu
... • Operating system supports multiple threads of execution within a single process • MS-DOS supports a single thread • UNIX supports multiple user processes but only supports one thread per process • Windows 2000, Solaris, Linux, Mach, and OS/2 support multiple threads ...
... • Operating system supports multiple threads of execution within a single process • MS-DOS supports a single thread • UNIX supports multiple user processes but only supports one thread per process • Windows 2000, Solaris, Linux, Mach, and OS/2 support multiple threads ...
Linux Operating System
... • Linux Takes Over After the BIOS passes control to LILO, LILO passes control to the Linux kernel. A kernel is the central program of the operating system, in control of all other programs. The first thing that Linux does once it starts executing is to change to protected mode. • Linux looks at the ...
... • Linux Takes Over After the BIOS passes control to LILO, LILO passes control to the Linux kernel. A kernel is the central program of the operating system, in control of all other programs. The first thing that Linux does once it starts executing is to change to protected mode. • Linux looks at the ...
choices
... systems) – The distributed file system extension of Choices is close to the mechanism used in MMLite (proxy) – MMLite focuses on support for transparently replacing components in use ...
... systems) – The distributed file system extension of Choices is close to the mechanism used in MMLite (proxy) – MMLite focuses on support for transparently replacing components in use ...
AutoPod: Unscheduled System Updates with Zero Data Loss
... The key pod virtualization mechanisms used are a system call interposition mechanism and the chroot utility with file system stacking to provide each pod with its own file system namespace that can be separate from the regular host file system. Pod virtualization support for migration is based on Zap [ ...
... The key pod virtualization mechanisms used are a system call interposition mechanism and the chroot utility with file system stacking to provide each pod with its own file system namespace that can be separate from the regular host file system. Pod virtualization support for migration is based on Zap [ ...
PPT - Surendar Chandra
... Take away message: you can either learn what those tradeoffs are and make sure that your code works well with them Row-major ordering means certain types of memory accesses are good ...
... Take away message: you can either learn what those tradeoffs are and make sure that your code works well with them Row-major ordering means certain types of memory accesses are good ...
IT ESSENTIALS V. 4.1 Module 5 Fundamental Operating Systems
... 1 MB to the maximum amount of RAM installed One Hard disk space that is used to emulate RAM 32-bit A real-mode application runs within a protected-mode operating system Creates the environment of an earlier operating system for applications that are not compatible with the current operating system T ...
... 1 MB to the maximum amount of RAM installed One Hard disk space that is used to emulate RAM 32-bit A real-mode application runs within a protected-mode operating system Creates the environment of an earlier operating system for applications that are not compatible with the current operating system T ...
IT ESSENTIALS V. 4.1 Module 5 Fundamental Operating Systems 5
... What are the three main areas of administration addressed by the computer management consoler? ...
... What are the three main areas of administration addressed by the computer management consoler? ...
CS350-01-intro - dforeman.cs.bingh
... get more work done in a fixed time allow multiple users on 1 computer allow programs to interact with each other maximize memory and CPU utilization reduce the need for device handling allow programs' parts to be shared make the system more usable (friendlier?) make system faster ...
... get more work done in a fixed time allow multiple users on 1 computer allow programs to interact with each other maximize memory and CPU utilization reduce the need for device handling allow programs' parts to be shared make the system more usable (friendlier?) make system faster ...
File System Management
... A clear and obvious requirement of an operating system is the provision of a convenient, efficient, and robust filing system. The file system is used not only to store users’ programs and data, but also to support and represent significant portions of the operating system itself. Stallings introduce ...
... A clear and obvious requirement of an operating system is the provision of a convenient, efficient, and robust filing system. The file system is used not only to store users’ programs and data, but also to support and represent significant portions of the operating system itself. Stallings introduce ...