What are Linux execute permissions?

What are Linux execute permissions?

Linux execute permissions determine whether a user can run a file as a program. They are crucial for security and functionality.

How do I check the execute permissions of a file?

You can check the execute permissions by using the command ls -l filename. Look for an 'x' in the permission string.

Can I change the execute permissions? How?

Yes, you can change execute permissions using the chmod command. For example, chmod +x filename adds execute permission.

What does 'chmod 755 filename' do?

The command 'chmod 755 filename' sets the permissions so that the owner can read, write, and execute, while others can read and execute.