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Operating systemOperating system
windows XP installationwindows XP installation
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An Operating System?An Operating System?
y What is an Operating System?
y An interface between users and hardware
y
A program that acts as an intermediarybetween a user of a computer and the
computer hardware.
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LAYERS OF A SYSTEMLAYERS OF A SYSTEM
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An Operating System?An Operating System?
y What is the purpose of an operating
system?
y An environment "architecture
y To provide an environment in which a user
can execute programs.
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An Operating System?An Operating System?
y What are the goals of an Operating
System?
y Allows convenient & efficient usage to
make the computer system convenient to use
(hides the tedious stuff). &
y Efficient to use (parallel activities, avoids
wasted cycles)
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An Operating System?An Operating System?
y What are the goals of an Operating
System?
y Provides information protection
y Gives each user a slice of the resources
y Acts as a control program.
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An Operating System?An Operating System?
y Hardware :
y provides basic computing resources (CPU, memory, I/Odevices).
y Operating system:
y controls & coordinates the use of the hardware among thevariousapplication programs for the various users.
y Applications programs :
y Define the ways in which the system resources are used tosolve the computing problems of the users (compilers,
database systems, video games, business programs).y Users:
y (people, machines, other computers).
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Parts of an Operating SystemParts of an Operating System
y Memory Management
y IO Management
y CPU Scheduling
y IPCy MultiTasking/Multiprogramming
y File System
y
Multimedia Supporty GUI (X Windows, MS Win)
y Internet Browser
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MEMORY / STORAGEMEMORY / STORAGE
y Very fast storageis very
expensive.
y S
o the OperatingS
ystem manages ahierarchy of storage devices in order to make
the best use of resources. In fact, considerable
effort goes into this support.
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OPERATING SYSTEMOPERATING SYSTEM
OVERVIEWOVERVIEW
y Some Characteristics include:
y Time Sharing: Multiprogramming
environmentthat's also interactive.
y Multiprocessing: Tightly coupled
systems thatcommunicate via shared
memory. Used for scientific applications.
Used for speed improvement by puttingtogether a number of offtheshelf
processors.
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OPERATING SYSTEMOPERATING SYSTEM
OVERVIEWOVERVIEW
y Distributed Systems:
y Loosely coupled systems thatcommunicate via message passing.
Advantages include resource sharing,speed up, reliability, communication.
y Real Time Systems:
y Rapid response time is maincharacteristic. Used in control ofapplications where rapid response to astimulus is essential.
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Step by step installationof O/SStep by step installationof O/S
y Operating system installation
y Configuration
y Driver software installation
y Network configuration
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Step by step installationof O/SStep by step installationof O/S
y If you have to make the new Installation
of Windows XP. You can use this as guide
lines for the installation, these slides are
brief and step by step.
y I am assuming that your system is able to
boot from CDROM.
y If it is not then it can be set in BIOS tomake CDROM is 1st Bootable device.
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Step by step installationof O/SStep by step installationof O/S
y Check in your BIOS that Booting from
CDROM is enabled or first try to Boot
from CDROM is Enabled.
y Insert your licensed CD of Windows
XP,Windows 2000
y Reset the Computer and you will see the
first Post screen.
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Step by step installationof O/SStep by step installationof O/S
y After a brief delay, the typical Microsoft
"blue Installation screen is displayed,
with "Windows Setup" displayed at the
top and at the bottom of the screen the
information, that "Setup is loading Files
(loading all type of device drivers):
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Step by step installationof O/SStep by step installationof O/S
y It will finally state :
Setup is starting Windows & will display
after a short delay the Windows XP
Professional Setup screen :
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Step by step installationof O/SStep by step installationof O/S
y If you install XP into an already existing
partition, you have additional options to
leave the current disk formatting intact).
Select the type of disk formatting : FAT orNTFS
y FAT: Possible to access from a DOS-boot
floppy, but limited to max. 4 GByte withvery inefficient file-storage (cluster-size of
64 KByte), no Security features.
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Step by step installationof O/SStep by step installationof O/S
y NTFS: Not accessible from a DOS-bootfloppy, but NOT limited in size and usingan efficient filestorage with a small
cluster-size, able to use File-SystemSecurity features.
y Windows XP requires a lot of disk-spacefor itself, you should use at least a 4
G.Byte partition. I suggest to use NTFS :make your choice (highlight) and select itby pressing ENTER.
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Step by step installationof O/SStep by step installationof O/S
y You can adjust regional settings forexample if you install an English version ofWindows XP in a different country and
the keyboard layout/language is not thesame language as your copy of WindowsXP, you should use the button"Customize.. and configure the proper
keyboard, to make sure that you canenter in the following steps of thesetup/installation properly the information
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Step by step installationof O/SStep by step installationof O/S
y Based on the organization (define above),Setup creates a name for your computer,with complex name to make sure that thename will be unique in a network configuration.
Since this name will be used later inside theMy Network places,y Change it to an easy to understand , but
UNIQUE name (like : LABPC2,LABPC3 etc
).y If you enter a password for theAdministratorAccount, make sure that youremember it (to be save, write it down ! ).
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Windows Installed NowWindows Installed Now