Published at LXer:
As a system administrator, you are manipulating users and groups all the time. You may be required to create a new user account for a new member in your team for example. If your host grows, you may be also tempted to create groups in order to have a clearer understanding of the rights your assign to your system members.As a consequence, having a perfect understanding of user administration is a very core skill for experienced administrators to master.
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