OPERATING SYSTEMS STRUCTURES
... Communication system between distributed processors. Getting information about files/processes/etc. on a remote machine. Can use either a message passing or a shared memory model. ...
... Communication system between distributed processors. Getting information about files/processes/etc. on a remote machine. Can use either a message passing or a shared memory model. ...
Module 4: Processes
... Java Virtual Machine: Architecture-independent bytecode CS 446/646 Principles of Operating Systems ...
... Java Virtual Machine: Architecture-independent bytecode CS 446/646 Principles of Operating Systems ...
Network Operating Systems - Partha Dasgupta`s Workstation!
... The first popular commercial network operating system was SunOS from Sun Microsystems. SunOS is a derivative from the popular Berkeley Unix (BSD). Two major innovations present in SunOS are called Sun-NFS and Yellow Pages. Sun-NSF is a network file system. Sun-NSF allows a file that exists on one ma ...
... The first popular commercial network operating system was SunOS from Sun Microsystems. SunOS is a derivative from the popular Berkeley Unix (BSD). Two major innovations present in SunOS are called Sun-NFS and Yellow Pages. Sun-NSF is a network file system. Sun-NSF allows a file that exists on one ma ...
an introduction to solaris
... kernel supports an environment in which multiple programs can execute simultaneously. The primary functions of the kernel can be divided into two major categories: managing the hardware by allocating its resources among the programs running on it; and supplying a set of system services for those pro ...
... kernel supports an environment in which multiple programs can execute simultaneously. The primary functions of the kernel can be divided into two major categories: managing the hardware by allocating its resources among the programs running on it; and supplying a set of system services for those pro ...
Operating System
... The scheduler, operating system scheduling routines, saves all information relating to the program that was just interrupted. Then information saved, which is called the context, includes the general register contents, the processor status word (content of status register), and so on. Such changing ...
... The scheduler, operating system scheduling routines, saves all information relating to the program that was just interrupted. Then information saved, which is called the context, includes the general register contents, the processor status word (content of status register), and so on. Such changing ...
Introducing Operating Systems
... – Manages all hardware and software • Controls every file, device, section of main memory and nanosecond of processing time • Controls who can use the system • Controls how system is used Understanding Operating Systems, Fifth Edition ...
... – Manages all hardware and software • Controls every file, device, section of main memory and nanosecond of processing time • Controls who can use the system • Controls how system is used Understanding Operating Systems, Fifth Edition ...
Answer
... The output of a program may need to be written into new files or input taken from some files. The operating systems provides this service. The user does not have to worry about secondary storage management. User gives a command for reading or writing to a file and sees his her task accomplished. Thu ...
... The output of a program may need to be written into new files or input taken from some files. The operating systems provides this service. The user does not have to worry about secondary storage management. User gives a command for reading or writing to a file and sees his her task accomplished. Thu ...
Module 1: Introduction What is an Operating System?
... • Simple Batch Systems • Multiprogramming Batched Systems • Time-Sharing Systems • Personal-Computer Systems • Parallel Systems • Distributed Systems ...
... • Simple Batch Systems • Multiprogramming Batched Systems • Time-Sharing Systems • Personal-Computer Systems • Parallel Systems • Distributed Systems ...
Operating System for Parallel Computing
... facilities. Two well-known examples of such libraries are Message Passing Interface (MPI) [2] and Parallel Virtual Machine (PVM) [3]. This approach allows easily building a distributed programming environment on the basis of a network of computers running conventional operating systems like UNIX or ...
... facilities. Two well-known examples of such libraries are Message Passing Interface (MPI) [2] and Parallel Virtual Machine (PVM) [3]. This approach allows easily building a distributed programming environment on the basis of a network of computers running conventional operating systems like UNIX or ...
Lecture 1 - Department of Computer Science
... • For operating systems that have networking capability there is a fifth manager, the Network Manager, added to the model • The Network Manager provides the facilities for users to share resources while controlling user access to them • These resources include ...
... • For operating systems that have networking capability there is a fifth manager, the Network Manager, added to the model • The Network Manager provides the facilities for users to share resources while controlling user access to them • These resources include ...
Operating Systems and File Management 4 Operating System
... Linux is an operating system distributed along with its source code under the terms of a GPL (General Public License) A Linux distribution is a download that contains the Linux kernel, system utilities, applications, and an installation routine ...
... Linux is an operating system distributed along with its source code under the terms of a GPL (General Public License) A Linux distribution is a download that contains the Linux kernel, system utilities, applications, and an installation routine ...
Operating Systems
... Course Description: Operating Systems, types, characteristics, historical development of operating systems, Linux and Windows operating system structures, Linux system calls, Windows API calls, processes, states, process applications in Linux and Windows, threads, multithread programming, Linux and ...
... Course Description: Operating Systems, types, characteristics, historical development of operating systems, Linux and Windows operating system structures, Linux system calls, Windows API calls, processes, states, process applications in Linux and Windows, threads, multithread programming, Linux and ...
Linux - Rock Fort Networks
... Software Foundation uses the name GNU/Linux, which has led to some controversy. ...
... Software Foundation uses the name GNU/Linux, which has led to some controversy. ...
Rozproszone systemy operacyjne Jerzy Brzeziński
... system failure; the performance of the system might be degraded due to partial failure, but otherwise the system functions properly. ...
... system failure; the performance of the system might be degraded due to partial failure, but otherwise the system functions properly. ...
FAST-OS BOF SC 04 - Department of Computer Science
... OpenSSI to 10,000 nodes Integration of OpenSSI with nodes with high processor counts The scalability of a shared root filesystem to 10,000 nodes Scalable booting and monitoring mechanisms Research enhancements to OpenSSI’s P2P communications The use of very large page sizes (superpages) for large ad ...
... OpenSSI to 10,000 nodes Integration of OpenSSI with nodes with high processor counts The scalability of a shared root filesystem to 10,000 nodes Scalable booting and monitoring mechanisms Research enhancements to OpenSSI’s P2P communications The use of very large page sizes (superpages) for large ad ...
Operating System Kernel More Virtual Stuff
... OPERATION: NO attention to Keyboard during normal operation • on key strike: hardware asserts IRQ to request interrupt • USER program interrupted, PC+4 of interrupted inst. saved in XP • state of USER program saved on KERNEL stack; • KeyboardHandler invoked, runs to completion; • state of USER progr ...
... OPERATION: NO attention to Keyboard during normal operation • on key strike: hardware asserts IRQ to request interrupt • USER program interrupted, PC+4 of interrupted inst. saved in XP • state of USER program saved on KERNEL stack; • KeyboardHandler invoked, runs to completion; • state of USER progr ...
Understanding Networks
... • A network operating system (NOS), such as Windows Server 2003, Windows 2000 Server, UNIX, or Novell NetWare can be installed on a server and used to manage network resources, including user accounts, printers, and file sharing across the LAN. • In a client/server model, sometimes called a domain m ...
... • A network operating system (NOS), such as Windows Server 2003, Windows 2000 Server, UNIX, or Novell NetWare can be installed on a server and used to manage network resources, including user accounts, printers, and file sharing across the LAN. • In a client/server model, sometimes called a domain m ...
PPT - CS
... i-node – a more up-to-date example • Blocks are 4096 bytes. • Each pointer is 4 bytes. • The 12 direct pointers then provide access to a maximum of 48 KB. • The indirect block contains 1024 additional pointers, for a data of size (4 MB). • The double indirect block has 1024 pointers to indirect blo ...
... i-node – a more up-to-date example • Blocks are 4096 bytes. • Each pointer is 4 bytes. • The 12 direct pointers then provide access to a maximum of 48 KB. • The indirect block contains 1024 additional pointers, for a data of size (4 MB). • The double indirect block has 1024 pointers to indirect blo ...
ppt
... creates a new address space (called the child) copies the parent’s address space into the child’s starts a new thread of control in the child’s address space parent and child are equivalent -- almost • in parent, fork() returns a non-zero integer • in child, fork() returns a zero. • difference allow ...
... creates a new address space (called the child) copies the parent’s address space into the child’s starts a new thread of control in the child’s address space parent and child are equivalent -- almost • in parent, fork() returns a non-zero integer • in child, fork() returns a zero. • difference allow ...
Questionaire
... 6. Why does caching result in a speed-up most of the time? In which situations will caching not work? ...
... 6. Why does caching result in a speed-up most of the time? In which situations will caching not work? ...
ch1
... provides basic computing resources (CPU, memory, I/O devices) 2. Operating system controls and coordinates the use of the hardware among the various application programs for the various users ...
... provides basic computing resources (CPU, memory, I/O devices) 2. Operating system controls and coordinates the use of the hardware among the various application programs for the various users ...
PPT - LSU CCT - Louisiana State University
... – Single user cannot keep CPU and I/O devices busy at all times – Multiprogramming organizes jobs (code and data) so CPU always has one to execute – A subset of total jobs in system is kept in memory – One job selected and run via job scheduling – When it has to wait (for I/O for example), OS switch ...
... – Single user cannot keep CPU and I/O devices busy at all times – Multiprogramming organizes jobs (code and data) so CPU always has one to execute – A subset of total jobs in system is kept in memory – One job selected and run via job scheduling – When it has to wait (for I/O for example), OS switch ...
Operating Systems - School of Computer Science, University of
... modifying each others’ or the operating system’s code Dual-mode operation allows OS to protect itself and other system components User mode and kernel mode Mode bit provided by hardware Provides ability to distinguish when system is running user code or kernel code Some instructions designated as pr ...
... modifying each others’ or the operating system’s code Dual-mode operation allows OS to protect itself and other system components User mode and kernel mode Mode bit provided by hardware Provides ability to distinguish when system is running user code or kernel code Some instructions designated as pr ...
File System Maintenance (continued)
... Installation • Software Installation checklist – provided on pages 518 and 519 ...
... Installation • Software Installation checklist – provided on pages 518 and 519 ...