Linux CentOS Change File Owner Tutorial

CentOS Change File Owner

Welcome, CentOS User! The Tutorial shows you Step-by-step How to Change File/Directory Owner on CentOS GNU/Linux Desktop/Server.

And the CentOS Change File Owner instruction is to Set a different Owner for Files and Directories on the CentOS File System.

Moreover, Mastering the Ownerships Over Files and Directories is the First, Step in Setting Up Permissions and so Establishing a Security over the System.

Finally, Following the Tutorial you will Get a Little Practice with the CentOS Shell Command Line.

1. CentOS Terminal Tutorial for Beginners

   CentOS Terminal Quick Start

   Getting-Started with Terminal on CentOS

2. Who Can Set/Change the Ownership?.

   Only the Administrators or a Super-User Can Change a File/Directory Ownership!

3. How to Set/Change the Ownership?.

   • To Set/Change Ownership Over a Single File/Directory:

     sudo su -c "chown [myUser]:[myGroup] [myEntity]"

     Where [myUser] is your’s user Name & [myGroup] is your’s user Primary Group.

     How to Look Up Username & Group on Terminal

     Find Username & Group

     Shell Find Username+Group

     For Instance:

     mkdir -p $HOME/hello/world

     Now to Give the ‘world’ Directory to the ‘root’ User do:

     sudo su -c "chown root:root $HOME/hello/world"

     Checking Ownership:

     ls -l $HOME/hello

   • To Set/Change Permissions Recursively Over a Directory and it’s Content (Subdirectories and Files):

     sudo su -c "chown -R [myUser]:[myGroup] [myEntity]"

     For Instance:

     sudo su -c "touch $HOME/hello/world/happy"

     Checking Ownership:

     ls -l $HOME/hello && ls -l $HOME/hello/world

     Now to Get Back the ‘world’ Directory with the ‘happy’ File:)

     sudo su -c "chown -R [myUser]:[myGroup] $HOME/hello/world"

     Check again Ownership like Above…

4. How to Change Permissions on CentOS File System

   CentOS Change Permission Shell

   Setting Up Permissions on CentOS