Windows 2003 Workstation

-Easy to Deploy, Manage, and Use.
-Secure Connected Infrastructure.
-Enterprise-Class Reliability, Availability, Scalability, and Performance.
-Lower TCO Through Consolidation and the Latest Technology.
-Create Dynamic Intranet and Internet Web Sites.
-Support for IPv6. Ping and Tracert have extra IPv6 options.
-Fast Development with Integrated Application Server.
-Work Smarter By Turning Your File Server Into a Powerful Collaboration Server.
-Automate Operations with Script-based and Policy-based Management Tools.
-Increase Document Protection and Availability via Intelligent File Storage.
-Easy to Find, Share, and Reuse XML Web Services
-IPSec Nat Traversal – NAT-T – allows IPSec VPN clients and servers to pass through NAT firewalls.

Windows 2003 Server

-File Server
-Print Server
-Web Server
-Backup Server
-Remote Access
-Fax Server
-Database Server
-Mail Server
-Internet Server
-Proxy Server
-Clustering Service

Windows 2000 Server

1. Windows 2000 is more robust and reliable than Windows NT .
2. CHKDSK works much faster with Windows 2000 than with Windows NT.
3. Windows 2000 clusters are more reliable than Windows NT clusters.
4. The method that Windows NT uses to manage disk volumes makes it difficult to share volumes between different operating systems.
5. Overall, Windows 2000 offers advantages for disk volume management compared to Windows NT.
6. Using the Distributed File System (DFS) to virtualize disk space works poorly in Windows NT. It works better and is supported in Windows 2000.

-The new Virtual Disk Service (VDS)
-Volume Shadow Copy Service (VSS)
-Multipath I/O (MPIO)
-Boot from SAN
-The volume-mounting function
-The Check Disk command,
-The Distributed File System(DFS)
-The Encrypting File System (EFS),

WINDOWS CE

Windows CE is designed to an operating system for a range of communications, entertainment, and mobile-computing devices. It also enables new types of dnon-PC evices that can communicate with each other, share information with Windows-based PCs, and connect to the Internet. It is important that Windows CE is released as an OEM product, and cannot be purchased through retail channels.

-Companion applications.
-Internet Explorer.
-Windows development environment.
-Communication with Windows-based PCs.

WINDOWS NT

WINDOWS NT (WORKSTATION)
Windows NT represents Microsoft’s business communication and networking Operating System. Windows NT similar to Windows 95. Windows NT is a powerful suite of networking and Internet-related features back up, security, cryptography, and system policies configurations. Windows NT also “DOS-mode” supports.

-Management and
-Windows NT Explorer
-Setup manager
-Task Manager
-Internet Explorer
-Hardware profiles
-Multimedia APIs
-Peer Web Services
-Client Support for PPTP
-WINS and DNS integration
-Client support for NDS
-Dial-Up Networking multilink channel aggregation
-Windows messaging client
-System policies and user profiles
-Dial-Up Networking
-Telephony APIs
-Cryptography APIs
-Distributed COM

WINDOWS 98

Windows 98 a full 32-bit operating system. New wizards, utilities, and resources to keep systems running smoothly. Performance is faster for common tasks such as application loading, system startup, and shut down.

Feature of MS Windows 98

-System File Checker.
-Disk Defragmenter Optimization wizard.
-Windows 98 Help Desk.
-Windows System Update.
-Support for Intel MMX processors.
-Power-management improvements.
-Multiple display support.
-Dial-Up Networking improvements.
-Support for Point-to-Point Tunneling Protocol (PPTP).
-Backup utility.
-Faster shutdown.
-Broadcast architecture.
-Support for new hardware.
-Display configuration enhancements.
-System Troubleshooter.
-ActiveMovie.
-Remote Access Server.
-PCMCIA enhancements.
-Support for Infrared Data Association (IrDA) 3.0.
-Distributed Component Object Model (DCOM).
-Support for NetWare Directory Services (NDS).
-Dr. Watson utility.

Microsoft Disk operating system.

MSDOS stands for Microsoft Disk operating system.
MS-DOS is a non-graphical command line 16-bit operating system.
MSDOS created for IBM compatible computers that were first introduced by Microsoft in August 1981.
Last updated in 1994 when MS-DOS 6.22 was released.
The command shell more commonly known as the Windows command line is still used.
MS-DOS does not use a mouse

The command interpreter is integrated in the file COMMAND.com with the internal commands for MS-DOS. The file IO.sys for simple device routines like the access to the monitor, keyboard, fixed storage disks and interfaces. The and MSDOS.sys for the booting code these form the base operating system.

MS-DOS 5.0 use of the High Memory and Upper Memory Area, TSR programs and drivers. The most new external commands in this version are DOSKEY, DOSSHELL, EDIT, EMM386 and LOADHIGH. UNDELETE can recover deleted files, UNFORMAT can undo the format of floppy disks. 2.88 mb floppy disk drives from IBM are now supported.

MSDOS Internal commands

del, erase/delete, rd/rmdir, dir, cd/chdir, cls, md/mkdir, copy, ren/rename, type, set, ver, vol,

MSDOS External commands

attrib, chkdsk, format, fdisk, deltree, diskcopy, diskcomp, edit, doskey, defragment, move, mem, tree, etc.


System environment
- minimum: 512 KB RAM, 5 MB harddisk storage (depends on version for full installation)
- FAT file system
- executable with every x86 compatible CPU
- low RAM and fixed storage disk needs