Web hosting contract - Table 23-1Differences Between Administrators and Limited UsersCapabilityAdministratorLimited UserInstall
Table 23-1Differences Between Administrators and Limited UsersCapabilityAdministratorLimited UserInstall programs and hardwareYesNoCreate and delete user accountsYesNoChange other peoples user accountsYesNoChange your own user account typeYesNoChange your own user account pictureYesYesCreate, change, or remove your own passwordYesYesSee other people s documentsMaybeNoPrivate Documents versus Shared DocumentsYou no doubt notice that I write maybeas to whether or not an administratorcan see other peoples documents. That s because there s no rule that saysthere can be only one administrator user account on the computer. You canhave any number of administrator accounts and/or limited accounts. How youset up your user accounts is entirely up to you. An administrator can always look at the documents created and stored by limited users. That is, there s no way limited users can keep an administratorfrom peeking at their files. So what about two different administrator accounts? If you create an administrator account for yourself, you can make its documentsprivate, which means nobody else on the computer can see your documents not even other administrators. Password-Protecting a User AccountRecall that the Welcome screen, shown in Figure 23-1, displays an icon for eachperson who has a user account on the computer. Now imagine that you re theuser named Owner, and you re also the only administrator of the computer. Allother users have user accounts. Suppose that the user named Wilbur is sittingalone at the computer, looking at the Welcome screen. Wilbur decides he wantsto be administrator for a while. So, rather than clicking his own user accounticon, he clicks yours. Can the computer seethat it s really Wilbur sitting at the computer and keephim from logging into your account? Of course not, because computers don thave eyes or brains. They re just machines that wouldn t know a human beingfrom a golf ball. So the computer assumes you are logging in, displays yourdesktop, and grants all administrative powers. Wilbur then has free reignoveryour user account and all your administrative privileges. As far as thecomputer is concerned, Owner, not Wilbur, is controlling the keyboard.
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