Transcript Windows XP Oprerating Systems

Windows XP Operating Systems
COSC513 Operating Systems
Mr. Nut Prommongkonkun
Student ID # 125474
Introduction
Microsoft Windows XP is a operating
systems new version by Microsoft after
Windows 2000 and Windows
Millennium.Which they have many new
features on Windows XP. Such as
security, manageability, reliability,
Plug n Play, easy-to-use user interface.
What is XP?
 Windows XP (Stands for XPerience) is the
latest Microsoft operating system released
on October 25, 2001.
- Windows 95
- Windows 98
- Windows Millenium Edition
- Windows NT,
- Windows 2000
- Windows XP
Windows XP Editions
Windows XP Home Edition
For entertainment and home use,
Windows XP Home Edition helps more
with computer and the Internet.
Windows XP Professional
Includes networking and other features
for business and advanced home
computing
Windows XP hardware requirements
Recommended requirements
 Intel Pentium II (or compatible) 300 MHz or
higher processor.
 128 MB of RAM
 2 GB of free hard disk space
 SVGA display adapter and Plug and Play
monitor
 Keyboard, mouse, or other pointing device
 CD-ROM or DVD-ROM drive 12x or faster
Windows XP Features
* Remote Desktop and Remote Assistance
* Power management
* Windows application compatibility:
Ex. Old Applications were developed can run under
Windows XP operating systems
* System tools:
Device driver rollback, last known good
configuration, and system restore
* Multi-language toolkit
* Personal firewall
* Automatic unzip
Architecture of Windows XP
 Windows XP: Kernel
 Push Locks
 Prefetch
 64-bit Address Space
 Registry
 Recovery and Reliability
 File System
Windows XP: Kernel
 Windows XP kernel is small compared to the
changes between Windows NT 4.0 and
Windows 2000, there are a number of
important changes that make Windows XP
more reliable, more scalable, and more
broadly compatible with existing
applications.
This article focuses on the kernel changes
made to achieve these improvements
Push Locks
Windows XP introduces a new locking
mechanism, called push locks, as a
synchronization mechanism for
protecting pageable data in kernel
mode.
Prefetch
Prefetching is the process of bringing
data and code pages into memory from
disk before it's demanded.
64-bit Address Space
64-bit Address Space is divided and
laid out is quite different. Where as 32bit Windows divides the address space
in half 2GB for user processes and
2GB for system space 64-bit
Registry
The Configuration Manager now maps
the Registry hives into memory much
the same way a Win32-based
application would memory map a file.
Recovery and Reliability
Windows XP builds in the System
Restore, Driver Rollback, Volume
Shadow Copy, a more reliable service
infrastructure, and new Driver Verifier
options inside.
File System
Windows XP Supported file systems
- FAT
- FAT32
- NTFS
Conclusion
 Windows XP has improvements to the
kernel components that improve
system reliability, scalability, and
performance. Windows XP offers this
operating system foundation to the PC
consumer and home user.