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4 |
User Privileges and Permissions |
AFTER A SYSTEM IS BOOTED AND RUNNING, it lives to serve users. Linux systems are designed to have multiple users. This may mean that multiple users could be logged in at the same time, both on the system directly as well as remotely. You may have only a single user for the system if it’s a desktop, but there are probably quite a few additional users added by certain software packages to handle the services that are running. The thing about users, though, is that you probably want to be able to protect one from another. Everyone has secrets, after all, and sometimes you just want to keep someone from inadvertently altering files that belong to someone else. With Linux, permissions are based ...
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