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Linux Add User to Group Example

In this tutorial we will see how to add users to groups in Linux, looking at the different possibilities (existing or non-existing users), and taking into account also the different types of groups users can belong to (primary and secondary groups). For this example, Linux Mint 17.03 has been used. 1. How groups are organized Linux defines the groups in ...

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Linux chmod Example

One of the most critical jobs a system administrator has to continuously be dealing with is the permission administration. The most small carelessness with the permissions can lead to a security hole in the system. This example will show how are changed the permissions, a task for which chmod command is used For this example, Linux Mint 17.3 has been ...

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