Protecting Your System.
There are a couple different ways to protect your system, files, and
customized settings. If your system is on a network, you most likely already
have a user name and password that was assigned by your company’s system
administrator, but protecting your non-networked home system requires some
effort on your part.
One way to protect your system is to set it up for multiple users, each with their own profile and password. When a user logs on to the system, they are asked for their user name and password and then shown their own customized desktop. This won’t protect documents saved on your hard drive, but it will protect your customized Desktop and settings, including any folders or documents you’ve saved to your desktop.
This is a handy trick for users who want to keep kids out of their sensitive files without password protecting every single document. Once you’ve enabled multiple users, you also can password protect the system when it goes into Standby or Hibernation mode.