Linux Mint Setting Permissions on File System
The Linux Tutorial Shows You Step-by-step How-to Setup or Change the Permissions over Files and Directories on Linux Mint 18 Sarah Mate/Cinnamon/KDE/Xfce Desktops.
To Follow the Tutorial You will Need to have a Little Practice to Work on the Mint Linux Console Terminal Command Line.
Included in the Article Links to Guides on Getting-Started with Command Line on Linux Mint and to Setting Ownership over Linux Mint File System.
First Open a Command Line Terminal Console Window
(Press “Enter” to Execute Commands)Mate:
How-to Quick-Start with Command Line on Mint Linux:Mint Console Quick-Start
Who Can Set/Change the Permissions?
- You Can Freely Set/Change the Permissions Only on Files/Directories You Hold.
- You Need Admin Super-Powers to Set/Change the Permissions on Entities You Do Not Hold!
Setting Up Permissions on Files and Directories
- Use ‘u‘ to Setup Permissions for the User Owner
- Use ‘g‘ to Setup Permissions for the Group Owner
- Use ‘u+g‘ to Setup Permissions for the User and Group Owner
- Use ‘a‘ to Setup Permissions for All (World)
- Use ‘o‘ for Revoking Actual Permissions and Giving Permissions to the Others (the Before Disabled ones)
- Use ‘x‘ to Setup Execution Permission
- Use ‘w‘ to Setup Write/Delete Permission
- Use ‘r‘ to Setup Read Permission
- Use ‘+‘ to Give Permission
- Use ‘–‘ to Remove Permission
Basic Building Blocks for the Permission Command
Generic Permission Command Form:
chmod ownershipSubject[+/-]r/w/x [myEntity]
For Instance :
To Give ‘All’ (read,write/delete,execute) Permissions on the ‘world’ Directory to the ‘World’:
chmod a+rwx $HOME/world
(Normally Take Care Before to Open a Directory to the World Because this Can Compromise Your System Security!)
Now to Check Permissions Setup:
ls -l $HOME
To Remove the ‘Write/Delete’ Permission to the ‘World’:
chmod a-w $HOME/world
To Give the ‘Write/Delete’ Permission the ‘world’ Only to the Owner:
chmod u+w $HOME/world
To Give the ‘Write/Delete’ Permission the ‘world’ Also to the Owner’s Group:
chmod g+w $HOME/world
To Remove the ‘Execution’ Permission to the ‘World’:
chmod a-x $HOME/world
To Give the ‘Execution’ Permission to the ‘world’ to the Owner:
chmod u+x $HOME/world
To Give the ‘Execution’ Permission to the ‘world’ Also to the Owner’s Group:
chmod g+x $HOME/world
(After Only You and Your Group will be Able to Access the ‘world’ Directory Directory on Shell!)
How-to Set Ownership on Linux Mint File System:Mint Setting Ownership Quick-Start
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