37. Linux CHMOD command | Manage file permissions in Linux | how to use chmod | MUST to KNOW!
In this video, you will learn the chmod command in Linux, one of the most important commands for managing file and directory permissions. The chmod command allows users to control who can read, write, or execute a file. Understanding permissions is essential for system administration, DevOps work, and everyday Linux usage.
We will explain how Linux permissions work for users, groups, and others, and demonstrate how to modify permissions using both numeric (octal) and symbolic modes. You will also see practical command examples that help you secure files, make scripts executable, and manage access in Linux environments.
This tutorial is perfect for beginners, Linux learners, DevOps engineers, and system administrators who want to understand how permission management works in Linux systems.
Topics covered in this video:
What file permissions are in Linux
Understanding read (r), write (w), execute (x) permissions
Using chmod with numeric mode (755, 644, etc.)
Using chmod with symbolic mode (u+x, g-w, o=r)
Practical examples for real Linux systems
Tags:
#Linux #LinuxCommands #CHMOD #LinuxPermissions #DevOps #LinuxTutorial #SysAdmin #LinuxForBeginners #LinuxSecurity #SRE