operating system linux ppt
Tài liệu Microsoft® Windows® 2000 Network and Operating System Essentials ppt
Ngày tải lên :
09/12/2013, 17:15
... 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...
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Tài liệu Lab 6.2.7a Managing Switch Operating System Files pptx
Ngày tải lên :
24/01/2014, 19:20
... 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...
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Tài liệu Unix and Linux Backups for System Administrators pptx
Ngày tải lên :
17/01/2014, 08:20
... options are supported on all operating systems. For instance,
configuring a DLT jukebox on a Solaris 5.2 system was an exercise in futility, but the same task on a 5.5
system was trivial.
A second ... wait for a crisis to convince you of its value.
1
Unix and Linux Backups – SANS GIAC LevelOne
© 2000, 2001
1
Unix and Linux Backups
for System Administrators
By Robert Blader
Hello, my name is ... You’re tasked with managing
a system. If it’s new, start with hardware - connect cables, attach peripherals, etc. Next, you install and
configure the operating system, the latest security patches,...
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Tài liệu Programming the Be Operating System-Chapter 1: BeOS Programming Overview ppt
Ngày tải lên :
26/01/2014, 07:20
... 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...
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Tài liệu Programming the Be Operating System-Chapter 5: Drawing ppt
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)
{
...
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Tài liệu Programming the Be Operating System-Chapter 6: Controls and Messages ppt
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...
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Tài liệu Programming the Be Operating System-Chapter 8: Text ppt
Ngày tải lên :
26/01/2014, 07:20
... may not always fit within the confines of a
view. Enter the scrollbar. The APIs for other operating systems that employ a
graphical user interface include routines to work with scrollbars, but ... setting a view’s
font to one of the global system fonts, but you can use SetFont() with any
BFont 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, your
application shouldn’t make any font-related assumptions. You can’t be sure every
user 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
Ngày tải lên :
12/09/2012, 15:05
... 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]...
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Tổng quan về Operating System
Ngày tải lên :
18/03/2013, 16:48
... 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...
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Operating system
Ngày tải lên :
03/08/2013, 01:26
...
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 ... text below and find
1. MS - DOS
2. Microsoft window
3. Pocket PC
4. Mac OS
5. OS/2Wrap
6. UNIX
7. Linux
8. Solaries
...
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Programming the Be Operating System-Chapter 9: Messages and Threads
Ngày tải lên :
17/10/2013, 19:15
... 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...
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