Users in Linux

# Users in Linux:

In Linux Operating System, There are three kinds of Users. All users have different kinds of permissions as well as Administrator or Root user set or modify the current user's permissions.

◘ Regular user

◘ Root user

◘ Service user

1) Regular User:

- It is an account which is used when you install o/s in your system.

- And all files and folders stored in Home directories.

- You are not able to access other users directory.

2) Root User:

- It is also created at the time of installation,

- Can access restricted files, install software and has administrative privileges.

- Also called super user.

- Whenever you have to perform any administrative task, you have to login as a ROOT user.

For that, the command is " sudo " Then it will ask your password twice.

3) Service User:

- Linux is widely used as a server o/s.

- Services such as Apache, SQL, Squid etc have their own service accounts.

- Having services account increases the security of your computer.

Note – You will not see service accounts in Ubuntu Desktop version but in Ubuntu server edition.

Note – Regular account is called Standard account in Ubuntu Desktop.

By - Somesh Sah

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