File ownership is a prime component for Linux to provide a secure method to maintain files in a file system. Every file in Linux has the following attributes:
* Owner permissions
* Group permissions
* Other (World) permissions
The owner’s permission is granted to the current owner of a file or directory.
The group’s permission is granted to a set of users, who is a member of the group that a file belongs to and can perform on the file. The other’s permission is granted to all users.
Continue reading Owners, Groups and Permissions
It is a software program designed to act as an interface between a user
and the computer. It controls the hardware, manages the system resources
and supervises interaction between the system and its users.
Functions of Linux:
i) Command Interpreter:
The operating system interprets the command i.e. input instruction
user and translates its to the machine language. Similarly, it also
the result of a command i.e. output from the machine to the language,
user understands. This is known as command interpretation.
Continue reading Linux Basics