Linux Introduction To Users
This tutorial will tell you how to identify a system’s user account with commands like who, who am i, etc.
If more than one person use a single system, then everyone may have their own user account. Here, it will be helpful to know the user account details.
It also tells how to create a second user account and run program on that with the help of su and sudo command.
whoami
It tells you about the system’s username.
Syntax:
Look at the above snapshot, ‘sssit’ is our system’s username.
who
The who command gives the information about the users logged on to the system.
Syntax:
who am i
This command displays the information about the current user only.
Syntax:
Look at the above snapshot, in our system current logged in user is sssit.
w
This command tells about the users who are logged in and what are they doing.
Syntax:
id
This command tells about your user id, primary group id, and a list of groups that belongs to you.
Syntax: