What is boot disk , and how to create it

Boot disk
A boot disk will allow you to boot from the deskette in place of your hard disk. This deiskette can be used to fix problems that may come during the lifetime of your computer. After creating the boot dsekette write protect the diskette so that viruses would not be able to infect your computer

How to create Windows XP boot disk
Note: The Microsoft Windows XP CD is a bootable CD and in many cases you should not need a bootable floppy diskette. Booting from the Windows XP CD will allow you to not only install/re-install Windows XP but will also allow you to troubleshoot it.
Create MS-DOS bootable diskette

When formatting a floppy diskette, users have the option of creating a MS-DOS startup disk, follow the below steps to do this.
1. Place diskette in the computer.
2. Open My Computer, right-click the A: drive and click Format.
3. In the Format window, check Create an MS-DOS startup disk.
4. Click Start

Create Windows XP Setup diskettes
Microsoft is beginning to phase out bootable floppy diskettes in favor of bootable CD discs and has not included a method of easily creating a bootable floppy diskette in Windows XP or from the CD. However, Microsoft has downloads available for users who still need to create bootable diskettes to install (not upgrade) Windows XP.

See Also
microsoft technical support
top 10 spyware
set cookies in ie
Windows XP's Remote Desktop Utility
Ping command in printer network connection