operating system book ppt

... 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 operating system ... 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 ... mathematical calculation. A network operating system must also support multiple processors, clusters of disk drives, and data security features. Finally, a network operating system must be reliable and...

Ngày tải lên: 09/12/2013, 17:15

... 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: 16/02/2014, 08:20

Ngày tải lên: 03/07/2014, 07:20

... self 12 Username Name used to access the system 13 Password Password is used to access the system 14 RegDate Date that user registered to join the system 15 Role Role in the system (administrator, moderator, ... self 12 Username Name used to access the system 13 Password Password is used to access the system 14 RegDate Date that user registered to join the system 15 Role Role in the system (administrator, moderator, ... Genetic Computer School Page28 Knowledge Base System User Guide 1.6 DATABASE DESIGN 1.6.1 Normalized Forms Normalized database of the Knowledge Base System has six tables in 3NF: User Table, Category...

Ngày tải lên: 09/12/2013, 18:15

... multithreaded operating system and a very efficient one. While programmers can explicitly create threads, much of the work of handling threads is 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 each processor, makes for a system with very high performance. Preemptive Multitasking An operating system...

Ngày tải lên: 26/01/2014, 07:20

... three color 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); Shapes Be claims that the BeOS is an operating system for the graphics community. So it’s hoped that the BeOS makes it easy for programmers ... user clicks the mouse in the MyDrawView view, MouseDown() makes the system aware of the fact that the view needs updating, and the system invokes Draw(): void MyDrawView::MouseDown(BPoint point) { ...

Ngày tải lên: 26/01/2014, 07:20

... the affected view invoking the BView hook function MouseDown(). Besides being the recipient of system messages, a window is also capable of receiving application-defined messages. This lets you ... window. When the user operates the control (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 messages Figure 6-3. Message passed to parent class’s version of MessageReceived() message Application server MessageReceived() BWindow-derived version MessageReceived() BWindow version MessageReceived() BHandler version message message Checkboxes...

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 08/03/2014, 23:20

Ngày tải lên: 18/03/2014, 00:20

Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 28/06/2014, 02:20

Ngày tải lên: 23/07/2014, 23:20

Ngày tải lên: 23/07/2014, 23:20

... 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. ... Collins and L.W. Loen. System/ 38 Machine Storage Management. IBM System/ 38 Technical Developments, IBM General Systems Division :63-66, 1978. [7] Gupta, A. Parallel Production Systems. PhD thesis, ... November, 1984. [9] Kahn, K.C. et al. iMAX: A Multiprocessor Operating System for an Object-Based Computer. In Proc. 8th Symposium on Operating Systems Principles, pages 127-136. ACM, December, 1981. [10]...

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