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LAB06 File Permissions in Linux (umask & chmod commands)

In this video, we’ll explore 🔑 file permissions in Linux, focusing on how to control default permissions using the umask command, followed by the powerful chmod command. Mastering these concepts is essential for 🔒 security and access control in Linux. Key Topics Covered: Introduction to file permissions: 📝 read (r), ✏️ write (w), and ⚙️ execute (x). Understanding permission groups: 👤 owner, 👥 group, and 🌍 others. How to view permissions with the ls -l command 🖥️. umask: Understanding how to control default permissions for newly created files and directories. Modifying permissions with chmod using 🔢 numeric (octal) and ✍️ symbolic (r, w, x) notation. Practical examples of changing permissions for 📄 files and 📁 directories. Importance of file permissions for 🔐 system security and 🔧 administration. Common umask and chmod use cases and quick troubleshooting tips ⚡. By the end of this tutorial, you'll confidently use umask and chmod to manage file permissions and control default settings like a pro 🧑‍💻! #ubuntutraining #linux #oslab #pucit #hec #education #urdu #csinurdu #linux #education #bsit #bscs