Explain what permissions are and why they are important for security and functionality of files and directories in Linux.
Mention the common scenarios where you might need to change permissions from root user to all users, such as sharing files with other users, running scripts or programs, or accessing devices.
State the main objective of the article: to show how to change permissions from root user to all users using different methods and tools.
Method 1: Using chmod command
Explain what chmod command is and how it works, using the syntax chmod [options] mode file and the meaning of options, mode, and file.
Give an example of how to use chmod command to change permissions from root user to all users, such as chmod a+rwx file to give read, write, and execute permissions to all users for file.
Mention the advantages and disadvantages of using chmod command, such as simplicity, flexibility, and portability, but also potential security risks and human errors.
Method 2: Using chown command
Explain what chown command is and how it works, using the syntax chown [options] user:group file and the meaning of options, user, group, and file.
Give an example of how to use chown command to change permissions from root user to all users, such as chown nobody:nogroup file to change the owner and group of file to nobody and nogroup, which are special users and groups that represent all users.
Mention the advantages and disadvantages of using chown command, such as granularity, specificity, and control, but also complexity, dependency, and compatibility.
Method 3: Using graphical tools
Explain what graphical tools are and how they work, using examples of popular tools such as Nautilus, Dolphin, or Thunar, and their features and interfaces.
Give an example of how to use graphical tools to change permissions from root user to all users, such as right-clicking on file, selecting properties, and changing the permissions tab to allow all users to read, write, and execute file.
Mention the advantages and disadvantages of using graphical tools, such as convenience, intuitiveness, and feedback, but also limitations, overhead, and accessibility.
Conclusion
Summarize the main points of the article, such as the reasons, methods, and tools for changing permissions from root user to all users.
Provide some tips and best practices for changing permissions, such as backing up files, checking current permissions, and testing changes.
Invite the readers to share their feedback, questions, or suggestions in the comments section or contact you for more help.