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SAMS Teach Yourself Unix in 10 Minutes by Robert Shimonski

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The passwd Command

As covered in the first lesson, it's imperative that you have a set of credentials in order to log in to a Unix system. Credentials consist of a username (usually assigned to you by your Unix system administrator) and a password. Although the password is generally configured by the system administrator, you can change it yourself. More specifically, if your machine is not connected to a network with other Unix computers, then you can use the passwd command to change your password.

There Are Other Ways to Change If you are not on a standalone Unix system and are connected to other systems through a network (which is a way to use ...

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