network operating system architecture ppt
Tài liệu Microsoft® Windows® 2000 Network and Operating System Essentials ppt
Ngày tải lên :
09/12/2013, 17:15
... 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...
- 360
- 461
- 0
Tài liệu Advanced Network and System Administration ppt
Ngày tải lên :
20/01/2014, 06:20
... 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 ... LDAP Authentication
12
LDAP Schemas
Schemas specify allowed objectClasses and attributes.
5
System Administration Directories
Types of directory data
Accounts
Mail aliases and lists...
- 23
- 538
- 0
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
ã 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...
- 6
- 301
- 0
Tài liệu Operating System Basics pptx
Ngày tải lên :
16/02/2014, 08:20
...
interface standards are EIDE (Enhanced Integrated
Drive Electronics) and SCSI (Small Computer
System Interface).
ã
EIDE has evolved over the years and has several
variants, all of which have...
- 9
- 355
- 0
Network and System Security pptx
Ngày tải lên :
14/03/2014, 20:20
... 11: Wireless Network Security 275
1. Cellular Networks 276
Cellular Telephone Networks 277
802.11 Wireless LANs 278
2. Wireless Ad Hoc Networks 279
Wireless Sensor Networks 279
Mesh Networks 280
3. ... from NASA in 1995.
xix
operating system architecture. As an operating system designed to be flexible and robust,
Unix lends itself to providing a wide array of host- and network- based services. ... fundamental aspects of the
operating system architecture. Considerations for hardening Unix deployments will be
contemplated from network- centric, host-based, and systems management perspectives.
Finally,...
- 405
- 906
- 1
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...
- 30
- 460
- 0
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)
{
...
- 43
- 459
- 0
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
...
- 49
- 383
- 0
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;...
- 50
- 345
- 0
GNU/Linux Basic operating system ppt
Ngày tải lên :
08/03/2014, 23:20
... file system hierarchy
Any operating system needs to save numerous files: from system configuration
files, to log files or user files etc. In general, each operating system uses its own
file system ... have on the system appropriately, so that we can have more
than one operating system installed on the same disk, for instance. The df
command shows us, for each unit mounted on the system, the ... still did not have a stable kernel for its
operating system, a professor of the University of Holland, Andrew�Tanen-
baum, decided to write an operating system so that his students could study it.
Like...
- 255
- 348
- 0
Learning the Unix Operating System pptx
Ngày tải lên :
18/03/2014, 00:20
... | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y
Index: O
operating system, definition of : The UNIX Operating System
options, command :
1.2. Syntax of UNIX Command Lines
output ... Documentation
DOS, accessing with UNIX :
4.4.6. Files on Other Operating Systems
MTOOLS utilities for :
4.4.6. Files on Other Operating Systems
dot (.)
. directory shortcut :
3.1.8.1. ls
in ... ask another UNIX user or your system administrator.)
1.1.1.1 Connecting from another operating system
If you're using a personal computer to connect to the UNIX system, you'll probably...
- 114
- 462
- 0
Ultra Wideband Communications Novel Trends System, Architecture and Implementation Part 13 pptx
Ngày tải lên :
20/06/2014, 05:20
... so-called user network. Different user network implementations can be
found nowadays: LAN (Local Area Network) , PAN (Personal Area Network) , HAN
(Human Area Network) or even BAN (Body Area Network) . ... content in
FTTH access networks with further wireless PAN (WPAN) transmission in home. FTTH
passive optical network (PON) architectures are cost efficient compared with architectures
including ... in next-generation optical
access networks:
Spectral efficiency leads the overall network capacity expansion. The conventional
strategy to increase the network capacity relies on deploying...
- 25
- 237
- 0
Operating System Concepts - Chapter 3: Processes ppt
Ngày tải lên :
28/06/2014, 02:20
... 3.4
Silberschatz, Galvin and Gagne â2005
Operating System Concepts - 7
th
Edition, Feb 7, 2006
Process in Memory
Process in Memory
3.39
Silberschatz, Galvin and Gagne â2005
Operating System Concepts - 7
th
Edition, ... Galvin and Gagne â2005
Operating System Concepts - 7
th
Edition, Feb 7, 2006
Process Termination
Process Termination
Process executes last statement and asks the operating system to
delete it ... exiting
Some operating system do not allow child to continue if its
parent terminates
– All children terminated - cascading termination
3.3
Silberschatz, Galvin and Gagne â2005
Operating System Concepts...
- 44
- 1K
- 0
Operating System Concepts - Chapter 13: I/O Systems pptx
Ngày tải lên :
28/06/2014, 02:20
... Chapter 13: I/O Systems
Chapter 13: I/O Systems
13.21
Silberschatz, Galvin and Gagne â2005
Operating System Concepts 7
th
Edition, Jan 2, 2005
Kernel I/O Subsystem
Kernel I/O Subsystem
Scheduling
z ... 2005
Use of a System Call to Perform I/O
Use of a System Call to Perform I/O
13.17
Silberschatz, Galvin and Gagne â2005
Operating System Concepts 7
th
Edition, Jan 2, 2005
Network Devices
Network ... and Gagne â2005
Operating System Concepts 7
th
Edition, Jan 2, 2005
Two I/O Methods
Two I/O Methods
Synchronous
Asynchronous
13.6
Silberschatz, Galvin and Gagne â2005
Operating System Concepts...
- 38
- 700
- 0
