network operating system definition wikipedia

... a network is the network operating system. Just as a computer cannot operate without an operating system, a network of computers cannot operate without a network operating system. Every network ... the network operating system s manufacturer, a desktop computer’s networking software can be added either to the computer’s own operating system or be integrated with it. Network operating system ... features of the Windows 2000 operating systems and describe the different types of networks and network operating systems. Module 2, “Administration of a Windows 2000 Network, ” describes routine...

Ngày tải lên: 09/12/2013, 17:15

... Proc. 8th Symposium on Operating Systems Principles, pages 127-136. ACM, December, 1981. [10] Jones, A.K. The Object Model: A Conceptual Tool for Structuring Systems. Operating Systems: An Advanced ... R.F. and Robertson, G. Accent: A Communication Oriented Network Operating System Kernel. In Proceedings of the 8th Symposium on Operating System Principles, pages 64-75. December, 1981. [16] Rashid, ... University Pittsburgh, PA 15213 Appeared in Proceedings of the 11th Operating Systems Principles, November, 1987 Abstract Mach is a multiprocessor operating system being implemented at Carnegie-Mellon University....

Ngày tải lên: 12/09/2012, 15:05

... này là hệ điều hành sau này. 1.23 Một số khái niệm của hệ điều hành(tt)  Sự phân lớp hệ thống (System Layering) – Mỗi người sử dụng khác nhau yêu cầu khai thác hệ điều hành ở những mức độ khác...

Ngày tải lên: 18/03/2013, 16:48

... Warm up A. Look at the diagram What is the function of the operating system? The function of operating system is to control a computer, manage the function of the computer, and...

Ngày tải lên: 03/08/2013, 01:26

... dealt mostly with system messages—messages generated and dispatched by the system. The Message Protocols appendix of the Be Book defines all the system messages. In short, system messages fall ... BClipboard object that is used to access the systemwide clipboard. 330 Chapter 9: Messages and Threads BClipboard class The previous section described the system s application roster, the be_roster ... carry out the message’s action. That leads to the distinc- tion that a system message is usually handled by a hook function (some system- generated messages, such as the standard messages resulting...

Ngày tải lên: 17/10/2013, 19:15

... thống tập tin (File System) . 4. Quản lý nhập xuất (I/O). 5. Quản lý thiết bị lưu trữ (Secondary-storage). 6. Quản lý mạng (Networking). 7. Hệ thống bảo vệ (Protection System) . 8. Hệ thông ... 12 CPU P1 P2 P3 P4 P1 P2 P4 P1 0 4 8 11 15 19 23 24 - 1 - PHẦN 2: HỆ ĐIỀU HÀNH (OPERATING SYSTEM) Chương 1: Tổng quan Hệ điều hành 1 Câu hỏi Tóm tắt chức năng của hệ điều hành ... Không gian đ/c Bộ nhớ Bộ nhớ phụ Chương 4: Quản lý hệ thống tập tin (File system management). 41 Câu hỏi Tóm tắt tổ chức đĩa mềm 1.44 MB sử dụng FAT12 2 điểm Đáp án Tổ...

Ngày tải lên: 19/10/2013, 18:15

... Files POSIX,orPortable Operating System Interface for Unix, is a standard developed so that buyers (particularly the U.S. government) could be assured of purchasing programs that ran on a variety of systems ... Using Standard Open and Save Panels 361 Using Standard Open and Save Panels An operating system with a graphical user interface typically provides standard- ized means for opening ... strict stan- dard so that it is easily ported. It’s also designed to run on any POSIX-compliant operating system, which includes most variants of Unix. File Organization The BeOS, like the Mac OS,...

Ngày tải lên: 20/10/2013, 10:15

... some systems store the operating system in firmware, and others on disk? Tại sao một số hệ thống lưu trữ hệ điều hành trên firmware, còn một số khác thì lưu trên đĩa? 2.13 How could a system ... người dùng. 2.10 What is the purpose of system calls? Mục đích của system call là gì? 2.11 What are the main advantages of the microkernel approach to system design? Lợi ích chính của phương ... bất lợi của việc sử dụng phương pháp phân tầng là gì? 2.9 List five services provided by an operating system. Explain how each provides convenience to the users. Explain also in which cases it...

Ngày tải lên: 28/10/2013, 09:15

Ngày tải lên: 25/11/2013, 11:07

... hardware is compatible with the new operating system, and that the hardware sources (including memory) in your system is sufficient for the new operating system. QUESTION NO 25 Where would ... can you change network identification in Windows 2000? A. Device manager. B. Network properties. C. System properties. D. Network and dial up connections. Answer: C The network identification ... Control panel, system, performance, graphics. B. Control panel, system, display settings, graphics. C. Control panel, system, device manager, properties, graphics. D. Control panel, system, hardware...

Ngày tải lên: 11/12/2013, 14:15

... (re)creating file systems • [drive letter] /S – makes the drive bootable (system) FDISK – For (re)creating partitions (see below) Cramsession : CompTIA A+ Operating System Technologies ... Computer System Interface settings for SCSI controllers, tape drives (if you have a SCSI host adapter) • Services - starts, stops and pauses various services • System - system startup settings, system ... A+ Operating System Technologies TM © 2000 All Rights Reserved – BrainBuzz.com 26 • Defrag – defragments a hard drive • System Monitor is a Windows utility that tracks system...

Ngày tải lên: 11/12/2013, 15:15

... hardware) Context Valid Physical page Virtual page tag Flags (b) (c) Format is entirely defined by the operating system Translation table (Operating system) TSB (MMU + sofware) Context Entry 0 is shared by all virtual pages ending ... process Children of A Grandchildren of A A A A A A A Figure 6-43. A process tree in UNIX . 6 THE OPERATING SYSTEM MACHINE LEVEL 1 (b) Time Process 3 Process 2 Process 1 Process 3 Process 2 Process 1 Process ... files close(infd); close(outfd); Figure 6-36. A program fragment for copying a file using the UNIX system calls. This fragment is in C because Java hides the low-level system calls and we are trying to expose them.  API...

Ngày tải lên: 12/12/2013, 09:15

... 9.1: Identify Operating System Requirements In this activity, you will first identify the optimal operating system to use in a given situation. Next, you will analyze the operating system selection ... Objectives After completing this activity, you will be able to: ! Identify the appropriate operating system for a given set of requirements and constraints. Before You Begin This activity ... complete this activity: 15 minutes followed by a 10 minute discussion. Activity 9.1: Identify Operating System Requirements 63 Exercise 2: Analyzing Technology Selection (5 minutes) ! Analyze...

Ngày tải lên: 21/12/2013, 06:16

... 1 Advanced Network and System Administration Accounts and Namespaces 13 LDIF  LDAP Interchange Format.  Standard ... Directories  Make administration easier.  Change data only once: people, accounts, hosts.  Unify access to network resources.  Single sign on.  Single place for users to search (address book)  Improve ... OpenLDAP 5. LDAP Authentication 12 LDAP Schemas Schemas specify allowed objectClasses and attributes. 5 System Administration Directories  Types of directory data  Accounts  Mail aliases and lists...

Ngày tải lên: 20/01/2014, 06:20

... Server 2000/2003 • Network operating system – Ex: Linux, Unix, Windows Server 2000/2003 • Multitasking operating system – Ex: Windows Server 2000/2003 • Desktop operating system – Ex: Windows ... UNIX ~ The operating system also interacts with the next functional layer called application software. ATHENA What does an operating system do? Example: ATHENA Personal Computer Operating Systems ~ ... Systems ~ Different operating systems are needed for different computing tasks: • Single-user operating system – Ex: MS-DOS, Windows 3.1, Windows 3.11 • Multi-user operating system – Ex: Windows...

Ngày tải lên: 20/01/2014, 22:20

... Accept upgrade transfer from other hosts Enabled Actions [U] System XMODEM upgrade [D] Download test subsystem (XMODEM) [T] System TFTP upgrade [X] Exit to Main Menu Enter Selection: ... and Intermediate Routing v 3.0 - Lab 6.2.7a Copyright  2003, Cisco Systems, Inc. Lab 6.2.7a Managing Switch Operating System Files Objective • Create and verify a basic switch configuration. ... An example of the Firmware Configuration Menu is: Catalyst 1900 - Firmware Configuration System Information FLASH: 1024K bytes V8.01.00 : Enterprise Edition Upgrade status: No upgrade...

Ngày tải lên: 24/01/2014, 19:20

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 26/01/2014, 07:20