Bulk Permission Change on Linux Files and Directories: Step-by-Step Guide

Bulk Permission Change on Linux Files and Directories: Step-by-Step Guide

The Linux operating system comes with a powerful tool called the chmod command for managing file and directory access permissions. The chmod command is used to set read, write, and execute permissions for files and directories. Changing permissions in bulk is especially useful when you want to apply the same permissions to multiple files or directories.

In this article, I will show you step-by-step how to change chmod permissions in bulk for files and directories in Linux.

Step 1: Identify the Files and Directories to Change

First, you need to identify the files and directories whose permissions you want to modify. You should specify them using either absolute paths or relative paths.

For example, if you want to change the permissions of all files and subdirectories inside the /home/user/files directory:

/home/user/files

Step 2: Use the chmod Command to Change Permissions

Once you’ve identified the target files and directories, use the chmod command to modify their permissions. When using the chmod command, you need to define the new permissions.

For instance, to grant read and write permissions to all users for the selected files and directories, you can use the following command:

chmod -R ugo+rw /home/user/files

This command uses the -R (recursive) option to apply the permission changes to all files and directories inside the specified path. ugo+rw grants read and write (+rw) permissions to the user (u), group (g), and others (o).

Step 3: Verify the Changes

After updating the permissions, you should verify that the changes have been applied as intended. Use the ls -l command to check the permissions of the files and directories.

For example:
ls -l /home/user/files

This command will list the permissions of the files and directories within the specified path. Make sure the changes have been correctly applied.

By following these steps, you can change file and directory permissions in bulk on Linux using the chmod command.

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