{"id":111570,"date":"2023-01-24T09:00:42","date_gmt":"2023-01-24T03:30:42","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=111570"},"modified":"2023-01-24T10:22:09","modified_gmt":"2023-01-24T04:52:09","slug":"user-account-information-in-linux","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/user-account-information-in-linux\/","title":{"rendered":"How to find User Account Information in Linux?"},"content":{"rendered":"

In this article, we will be looking at the various commands that give us valuable information on the users’ accounts In Linux-based operating systems. We will go through various commands like id, group, whoami, finger, getent, grep, lslogins, users, who, and so on. So pay attention, take notes, and read right till the end.<\/span><\/p>\n

Why do we need user account information?<\/span><\/h3>\n

Before addressing the question of what, let us discuss why we need user account information. Well, we all know that Linux is a multiuser platform. Therefore, we must manage these users properly to keep the system productive, organized, and functional.\u00a0<\/span><\/p>\n

The system administrator must know all the users using the system to manage them and their permissions. Therefore, tracking all the users is a significant job. We can use multiple tools, <\/span>which we will look at in depth in this article. We also know that everything in Linux is a file, and all of the information about users is contained in the “\/etc\/passwd” file. The respective hash passwords are present in the “\/etc\/shadow” file.\u00a0<\/span><\/p>\n

In a nutshell, it is an essential job of system administrators to monitor the users in the system. To do this task, we have many monitoring commands like d, group, whoami, finger, getent, grep, lslogins, users, who, lastb, lastlog, w, and more.\u00a0<\/span><\/p>\n

What is the user account information?<\/span><\/h3>\n

The user account information contains various information like the user name, the time of login, last time of login, account expiry date, password expiry date, idle time, login time, email address, plan, project, pgpkey, and countless more information! It only depends on what you are capable of asking Linux.<\/span><\/p>\n

Let us look at some user information look-up commands :<\/span><\/p>\n

1. Linux Id command<\/span><\/h4>\n

The id command is a command-line-based user information look-up command that prints out the user and group names and numeric ids of the current user or any other user on the server. We can combine the id command with various options to get specific information. The id command shows the following information:<\/span><\/p>\n