Understanding Linux File Permissions ๐๐
Introduction to Linux Permissions ๐
Linux File permissions and ownership are fundamental concepts. Today, let's delve into permissions and ownership.
1: Creating and Analyzing a Simple File ๐ต๏ธโโ๏ธ๐
Create a simple file and peek into its details using ls -ltr
.
commands:
touch myFile.txt
ls -ltr myFile.txt
Categories of Users and Permissions ๐งโ๐ป๐ง
Understand the three categories of users and their permissions: owner, group, and others.
Changing Ownership and Group Permissions ๐๐ฅ
Use "chown" to change ownership and "chgrp" to change group permissions.
commands:
chown newowner myFile.txt
chgrp newgroup myFile.txt
Changing Other Users' Permissions with chmod ๐๐ฉ
Use "chmod" to modify other users' permissions on the file.
command:
chmod o+r myFile.txt
2: Write an Article on File Permissions ๐๐
Reflect on your understanding and write an article about Linux File Permissions. Share your insights from the day's tasks.
3: Dive into Access Control Lists (ACL) ๐ต๏ธโโ๏ธ๐
Read about ACL, try commands like getfacl
and setfacl
to explore Access Control Lists.
commands:
getfacl myFile.txt
setfacl -m u:username:rw myFile.txt
Wrapping Up Day 6 ๐๐
Today was all about mastering Linux file permissions and dipping our toes into Access Control Lists. Happy Learning! ๐๐