Linux File Permissions V2

Learn how Linux controls who can read, write, and execute files one of the most important skills for any system administrator. In this lecture, we break down the Linux permission model from the ground up: how owner, group, and others work, how to read and set permission bits, and how to use the essential tools every sysadmin needs. What you'll learn: • How the Linux permission model works (user, group, others) (0:29)    • Linux File Permissions V2   • Reading and writing octal and symbolic permission notation (0:50)    • Linux File Permissions V2   • Using chmod to change file permissions (1:27)    • Linux File Permissions V2   • Using chown and chgrp to change file ownership (2:23)    • Linux File Permissions V2   • Setting default permissions with umask (2:42)    • Linux File Permissions V2   • Special permission bits: setuid, setgid, and the sticky bit (3:23)    • Linux File Permissions V2   • Fine-grained access control with POSIX ACLs (getfacl / setfacl) (3:55)    • Linux File Permissions V2   Commands covered: chmod · chown · chgrp · umask · ls -l · stat · getfacl · setfacl