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How to Set-Change Permissions to Files and Directories on Linux Mint 17 Qiana Shell

October 17, 2014 | By the+gnu+linux+evangelist.

Linux Mint Setting Permissions on File System

This tutorial will guide you step-by-step on How to Set or Change the File/Directory Permissions on Linux Mint 17 Qiana 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.

Set/Change Files and Directories Permissions on Linux Mint 17 Qiana Linux Command Line - Featured
  1. First, Open a Command Line Terminal Console Window
    (Press “Enter” to Execute Commands)

    Mate:
    Linux Command Line Console Terminal Quick Start for Linux Mint - Mint Mate Open Terminal
    Cinnamon:
    Linux Mint 17 Qiana Command Line Quick Start - Mint Cinnamon Open Terminal
    KDE:
    Getting-Started with Command Line Console on Linux Mint 17 Qiana - Mint KDE Open Terminal
    Xfce:
    Getting-Started Command Line Terminal for Linux Mint 17 Qiana - Mint Xfce Open Terminal

    In case first see: Terminal QuickStart Guide.

  2. How to Quick Start with Command Line on Mint Linux

    Mint Console Quick Start
  3. Who Can Change File’s Permissions?.

    • You Can Freely Change Permissions over Files/Directories Your User’s Hold.
    • But you need Admin Super User Powers to Change Permissions on Entities he Do Not Hold!
  4. Setting Up Permissions on Files and Directories.

      Basic Building Blocks for the Permission Command.

      Ownership Types:

      • 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)

      Permission Types:

      • Use ‘x‘ to Setup Execution Permission
      • Use ‘w‘ to Setup Write/Delete Permission
      • Use ‘r‘ to Setup Read Permission

      Giving/Removing Permissions:

      • Use ‘+‘ to Give Permission
      • Use ‘‘ to Remove Permission

    Generic Permission Command Form:

    chmod ownershipSubject[+/-]r/w/x [myEntity]

    For Instance :

    mkdir $HOME/world

    To Give ‘All’ (read,write/delete,execute) Permissions on the ‘world’ Directory to ‘Everybody’:

    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!)

  5. How to Set Ownership on Linux Mint File System

    Mint Setting Ownership Quick Start