failiõigused
Failiõigused, known in English as file permissions, are a fundamental security mechanism in Unix-like operating systems, including Linux and macOS. They control which users can read, write, and execute files and directories. These permissions are typically assigned to three categories of users: the owner of the file, the group associated with the file, and all other users (often referred to as "others").
For each of these user categories, there are three basic permissions: read (r), write (w), and execute
These permissions are often represented numerically using an octal system. Read is represented by 4, write
The `chmod` command is used to change file permissions, and the `ls -l` command displays them in