Yes. Click 'start' click 'My Computer' click 'Control Panel' click 'User Accounts'. There you go ;)
As administrator, you can create unique 'user accounts'.
Start->Control Panel->User Accounts->Create a new account
yes
Windows 98 is a single-user operating system.
All versions of Windows XP support multiple users.
system -> admin -> users and groups. Or, since this question is in the "Windows XP" category, are you asking how to create a new user on Ubuntu from within Windows XP?
Create a Windows XP forgotten password floppy disk
This is for xp::start>control panel>user accounts>create new account
Create a new admin account.
A. local Page 252 Chapter 5
There are too many if them. Common used ones are Guest, User, Power User, Backup Operator, Administrator ans so on.
Boot.ini