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network operating system ppt presentation

Tài liệu Microsoft® Windows® 2000 Network and Operating System Essentials ppt

Tài liệu Microsoft® Windows® 2000 Network and Operating System Essentials ppt

Hệ điều hành

... 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...
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Tài liệu Advanced Network and System Administration ppt

Tài liệu Advanced Network and System Administration ppt

Quản trị mạng

... 1Advanced Network and System AdministrationAccounts and Namespaces 13LDIF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 ... LDAP Authentication 12LDAP SchemasSchemas specify allowed objectClasses and attributes. 5 System Administration DirectoriesTypes of directory dataAccountsMail aliases and lists...
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Tài liệu Programming the Be Operating System-Chapter 1: BeOS Programming Overview ppt

Tài liệu Programming the Be Operating System-Chapter 1: BeOS Programming Overview ppt

Hệ điều hành

... multithreaded operating system and a very efficient one. Whileprogrammers can explicitly create threads, much of the work of handling threadsis taken care of behind the scenes by the operating system ... upgrade its operating system, it must take into account the millions of users that have a large invest-ment in software designed to run on the existing version of its operating system. So no ... with the system s ability to assign threads to processors based on the current load on eachprocessor, makes for a system with very high performance.Preemptive MultitaskingAn operating system...
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Tài liệu Programming the Be Operating System-Chapter 5: Drawing ppt

Tài liệu Programming the Be Operating System-Chapter 5: Drawing ppt

Hệ điều hành

... threecolor components), and because it is a color system with which many program-mers and end users are familiar with (it’s common to several operating systems).The BeOS defines rgb_color as a struct ... StrokeRect(rect8); SetPenSize(12.0); StrokeRect(rect12);ShapesBe claims that the BeOS is an operating system for the graphics community. So it’shoped that the BeOS makes it easy for programmers ... user clicks the mouse in theMyDrawView view, MouseDown() makes the system aware of the fact that the viewneeds updating, and the system invokes Draw():void MyDrawView::MouseDown(BPoint point){...
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Tài liệu Programming the Be Operating System-Chapter 6: Controls and Messages ppt

Tài liệu Programming the Be Operating System-Chapter 6: Controls and Messages ppt

Hệ điều hành

... the affected view invoking the BView hook function MouseDown().Besides being the recipient of system messages, a window is also capable ofreceiving application-defined messages. This lets you ... window. When the user operates thecontrol (typically by clicking on it, as for a button), the system passes the applica-tion-defined message to the window. How the window handles the message ... BWindow::MessageReceived(BMessage* message){ switch(message->what) { // handle B_KEY_DOWN and scripting-related system messagesFigure 6-3. Message passed to parent class’s version of MessageReceived()messageApplicationserverMessageReceived()BWindow-derivedversionMessageReceived()BWindowversionMessageReceived()BHandlerversionmessagemessage...
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Tài liệu Programming the Be Operating System-Chapter 8: Text ppt

Tài liệu Programming the Be Operating System-Chapter 8: Text ppt

Hệ điều hành

... may not always fit within the confines of aview. Enter the scrollbar. The APIs for other operating systems that employ agraphical user interface include routines to work with scrollbars, but ... setting a view’sfont to one of the global system fonts, but you can use SetFont() with anyBFont object. Here, one view is having its font set to the global system font be_plain_font, while another ... machine may have more than the three system fonts installed, yourapplication shouldn’t make any font-related assumptions. You can’t be sure everyuser has a non -system font your application uses;...
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The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System

The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System

Hệ điều hành

... 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, ... UniversityPittsburgh, PA 15213Appeared in Proceedings of the 11th Operating Systems Principles,November, 1987AbstractMach is a multiprocessor operating system being implemented at Carnegie-Mellon University....
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Tổng quan về Operating System

Tổng quan về Operating System

Cao đẳng - Đại học

... là hệ điều hành sau này. 1.23Một 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...
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Operating system

Operating system

Tin học

... Warm upA. Look at the diagramWhat is the function of the operating system? The function of operating system is to control a computer, manage the function of the computer, and...
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Programming the Be Operating System-Chapter 9: Messages and Threads

Programming the Be Operating System-Chapter 9: Messages and Threads

Hệ điều hành

... dealt mostly with system messages—messages generatedand dispatched by the system. The Message Protocols appendix of the Be Bookdefines all the system messages. In short, system messages fall ... BClipboard object that is used to access the systemwideclipboard. 330 Chapter 9: Messages and ThreadsBClipboard classThe 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...
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PHẦN 2: HỆ ĐIỀU HÀNH (OPERATING SYSTEM)

PHẦN 2: HỆ ĐIỀU HÀNH (OPERATING SYSTEM)

Hệ điều hành

... 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 ... 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...
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