Summary Types of users in Linux

Types of Users in Linux
System Administrator
A System Administrator (SA) is responsible for the smooth operation of the Linux operating
system. The SA starts the system console on which the operating system is installed. The
SAalso creates users and user groups on the Linux operating system. Additionally, the SA
makes backups to prevent data loss if the operating systemn crashes. In Linux, the SA is also
known as the root user. The SA has all the rights for the Linux operating system.

File Owner
The user whocreates a file is known as the owner of the file. The owner of a file can
perform any operation on that file, such as copying, deleting, or editing.
Group Owner
Consider the following situation:
Aproject team of five people from ABC Telecommunications is working on a software
development project for a marketing agency. An analyst leads the team. The other four
members are programmers. The team is working on the Linux operating system. The data
provided by the agency is extremely confidential. Therefore, the data file needs to be created
in the analyst's home directory.