How To Create Collaborative Directory And Set Permission In Linux

A Red Hat Certified System Administrator (RHCSA) is able to perform the following tasks:

• Understand and use essential tools for handling files, directories, command-line environments, and documentation
  
• Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services
  
• Configure local storage using partitions and logical volumes
  
• Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems
  
• Deploy, configure, and maintain systems, including software installation, update, and core services
  
• Manage users and groups, including use of a centralized directory for authentication
  
• Manage security, including basic firewall and SELinux configuration.

 Create a collaborative directory /linuxstorages/data with the following:

CMD:

  root@linuxstorage:~#mkdir -p /linuxstorages/data

                            p = can create a directory from any path.

  root@linuxstorage:~#chgrp -R central /linuxstorages/data

           chgrp = changing primary group for the directory.
         
            R = recursive . changes will reflect all sub-directories and files below sharedgrp.


  root@linuxstorage:~#chmod 2070 /linuxstorages/data

          chmod - modifying permission for sharedgrp.

          2070  - Giving full permission only to group users and zero permmision for other users.

           2 - Special Permission. set group id.
           0 -  User.(zero permission).
           7 -  4+2+1 = 7 (4= read, 2 = write, 1 = execute). Group user.
           0 - Other users.(zero permission).

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