linux operating system ppt
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 ... use. On GNU/
Linux systems, this system is
called a quota.
GNUFDL• PID_00148393
19
Basic GNU /Linux
servers, groups etc. This account should not be used for working normally on
the system. We should ... 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...
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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...
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UNIX LINUX Operating System
Ngày tải lên :
09/05/2014, 08:45
... facilities
Distributions Linux
•
Distribution = A collection of all or some programs
altogether around a Linux kernel which allows to install a
collaborative system, operating perfectly.
–
Include ... OS.
–
-p, processor: processor type
#uname –a
Linux linuxsrv.linuxvn.net 2.2.14-5.0#1 Tue Mar 7
21:07:39 EST 2000 i386 unknown
Free Software, Linux & Open Source
•
1984 : Richard Stallman, ...
Live CD Linux
•
Distro Linux on one CD
–
GNU /Linux OS. Plus with necessary softwares
–
Not affect the current status of PC, HD not required!
•
Some typical distro
–
Knoppix
–
DemoLinux
–
Mandows
–
FreeSBIE
...
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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 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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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).
•
EIDE has evolved over the years and has several
variants, all of which have...
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Security On Linux System ppt
Ngày tải lên :
18/06/2014, 10:05
... dụng nhận được chúng. Hệ thống của bạn có thể sử dụng
Unix /Linux, nhưng đâu phải tất cả các User trong hệ thống của bạn đều sử dụng Unix /Linux ?
Nếu như không muốn nói rằng 90 % họ sử dụng Windows. ... để thực hiện việc này (Redhat
Package Manager - Linux )
Về cơ bản! các Service được định nghĩa hoạt động bởi inetd (trên một số hệ thống Linux mới nó
có thể là xinetd). Nội dung Service ... None
AllowOverride None
Order deny,allow
/sbin/lilo:
image = /boot/vmlinuz-2.2.17
label = Linux
read-only
restricted
password = your-password
Kernel OpenWall tỏ ra rất hữu ích trong...
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Operating System Concepts - Chapter 3: Processes ppt
Ngày tải lên :
28/06/2014, 02:20
... terminate
3.4
Silberschatz, Galvin and Gagne ©2005
Operating System Concepts - 7
th
Edition, Feb 7, 2006
Process in Memory
Process in Memory
3.39
Silberschatz, Galvin and Gagne ©2005
Operating System Concepts - 7
th
Edition, ... Galvin and Gagne ©2005
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 ©2005
Operating System Concepts...
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Operating System Concepts - Chapter 13: I/O Systems pptx
Ngày tải lên :
28/06/2014, 02:20
... Request
Chapter 13: I/O Systems
Chapter 13: I/O Systems
13.21
Silberschatz, Galvin and Gagne ©2005
Operating System Concepts – 7
th
Edition, Jan 2, 2005
Kernel I/O Subsystem
Kernel I/O Subsystem
Scheduling
z ... Galvin and Gagne ©2005
Operating System Concepts – 7
th
Edition, Jan 2, 2005
The STREAMS Structure
The STREAMS Structure
13.31
Silberschatz, Galvin and Gagne ©2005
Operating System Concepts – 7
th
Edition, ... and Gagne ©2005
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 ©2005
Operating System Concepts...
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Operating System Concepts - Chapter 19: Real-Time Systems ppt
Ngày tải lên :
28/06/2014, 02:20
... Gagne ©2005
Operating System Concepts – 7
th
Edition, Jan 1, 2005
Implementing Real
Implementing Real
-
-
Time
Time
Operating Systems
Operating Systems
In general, real-time operating systems ... Gagne ©2005
Operating System Concepts – 7
th
Edition, Jan 1, 2005
Chapter 19: Real
Chapter 19: Real
-
-
Time Systems
Time Systems
System Characteristics
Features of Real-Time Systems
Implementing ... Galvin and Gagne ©2005
Operating System Concepts – 7
th
Edition, Jan 1, 2005
System
System
-
-
on
on
-
-
a
a
-
-
Chip
Chip
Many real-time systems are designed using system- on-a-chip
(SOC)...
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Operating System Concepts - Chapter 21: The Linux System pot
Ngày tải lên :
28/06/2014, 02:20
... ©2005
Operating System Concepts – 7
th
Edition, Feb 6, 2005
The Linux System
The Linux System
Linux uses many tools developed as part of Berkeley’s BSD
operating system, MIT’s X Window System, ... and Gagne ©2005
Operating System Concepts – 7
th
Edition, Feb 6, 2005
Components of a Linux System
Components of a Linux System
21.36
Silberschatz, Galvin and Gagne ©2005
Operating System Concepts ... memory
21.13
Silberschatz, Galvin and Gagne ©2005
Operating System Concepts – 7
th
Edition, Feb 6, 2005
Components of a Linux System (Cont.)
Components of a Linux System (Cont.)
The system libraries define a standard...
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