What are the basics of Linux file permissions?

What are the basics of Linux file permissions?

Linux file permissions determine who can read, write, or execute a file. They are crucial for system security.

How do I check the permissions of a file?

You can check file permissions using the ls -l command in the terminal. It shows the permissions in the first column.

What do the permission symbols like rwx mean?

The symbols represent read (r), write (w), and execute (x) permissions. They indicate what actions users can perform.

How can I change file permissions?

You can change file permissions using the chmod command followed by the permission settings and the file name.

Can you give an example of using chmod?

Sure! To give the owner read and write permissions, you would use chmod u+rw filename.