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Jun 27, · [/donotprint] [a] getent command: Fetch details for a particular user or group from a number of important text files called databases on a Linux or Unix-like systems. This is portable and recommended way to get information on users and groups. [b] Directly query /etc/passwd for user names or /etc/group file for group names. Jan 25, · See which groups your Linux/Unix user belongs to. Type the groups command to show which groups your Unix or Linux user belongs to: $ groups Sample outputs: vivek dialout cdrom floppy audio video plugdev. So my default group is vivek and I am a member of dialout, cdrom, floppy, audio, video plugdev group.
This quick tip teaches you how to find the groups a Linux user belongs to in Linux command line. Groups are the essential part of basic Linux filesystem security by design. If you know about the file permissions in Linuxyou already know that groups play a huge role in limiting and allowing access of files to the desired users only.
The idea is to collect users in a group based on their roles. This way, you can easily set permissions for the intended groups of user. For example, users in sudo groups can run commands with superuser privileges while other users cannot. Now that might make you curious about knowing which groups you belong to and this is exactly what I am going to show you in this quick tutorial.
As you can see, the user abhishek belongs to groups abhishek, sudo, adm and several other groups. I am using Ubuntu in this tutorial and Ubuntu creates a group with the same name as the user. This is why you see user abhishek belonging to group abhishek. You just learned to see the groups you belong to. What about checking the groups of other users on your system? You probably already know how to list users in Linux.
When you know the username, you can find which group it belongs to by using the groups command how to check user group in unix this way:. You can also get group information of a user with id command. How to get husband to love you additional benefit of how to check user group in unix id command is that it also displays the uid of the user and gid of the groups.
Read this article to know more about UID in Linux. You can see that getting the group how to make hair look wet in photoshop of a user is a simple task.
It could come in handy in many situations and I would let you experience them on your own. Every user has a default or primary group. You can check the primary group of a user with id command in the following fashion:. You can change the primary and secondary group of a user with the usermod command.
I hope this quick little tip helped you to list user groups in Linux. You may also want to read about checking the members of a group what is galactosemia caused by Linux. Pro Resources Write for Us.
Abhishek Prakash. Table of Contents. Check user group in Linux command line To find out which groups your user account belongs to, simply use this command: groups This will show all the groups you belong to. Find out groups of other users in Linux You just learned to see the groups you belong to.
Group is an essential part of Linux system management and security. Check out various commands that you can use for managing groups in Linux. Linux Handbook Abhishek Prakash. Become a member to get the regular Linux newsletter times a month and access member-only contents. You might also like. Tips members. Avimanyu Bandyopadhyay. Docker members. Debdut Chakraborty.
Find out groups of other users in Linux
Jul 29, · Bonus Tip 2: Get primary group of a user in Linux. Every user has a default or primary group. You can check the primary group of a user with id command in the following fashion: id -gn user_name. You can change the primary and secondary group of a user with the usermod command. I hope this quick little tip helped you to list user groups in Linux. Jan 10, · groups Just using the groups command by itself like that shows you the groups to which the currently logged in user belongs. You can also add a username after the groups command if you’re investigating group membership for a different account. Just use the syntax. Jul 06, · To list all members of a group, use the getent group command followed by the group name. For example, to find out the members of a group with the name developers you would use the following command.
Wondering which users are members of a specific group? This tutorial shows you three simple ways to list all the users of a group in Linux command line. I have already shown you to list all the users in Linux command line. This quick tip is related and yet different from that.
I presume that you are a bit familiar with the concept of groups and users in Linux. There are several groups and a variety of users in a Linux system. A group can have multiple members while a user can be a member of several groups. You can check which groups a particular user belongs to and you can also find all the users of a group. You can view the content of this file and look for the information about the members. If you find manual searching for a group in the file difficult, you can use a combination of the grep command and the cut command.
The above command looks for all the lines starting with the specified group name and then the cut command extract the fourth column separated with : delimiter. The result is just the name of the group members. This will display the line matching the group name and in here you can see the members of the group:.
There is a tiny command line tool that simplifies the process of listing all the members of a specific group. The members command is usually not installed in all the systems so you have to install it on your own. If the command is not found in Ubuntu, you should enable the universe repository and try it again. For example, if you want to check which users have sudo access, you can use the members command like this:. See, it was absolutely simple to get the users belonging to a group.
You learned three ways to do it. Which method did you like the most? Or, do you use some other way to list group members in Linux? Why not share it with us here? Pro Resources Write for Us. Abhishek Prakash. Table of Contents. Become a member to get the regular Linux newsletter times a month and access member-only contents. You might also like. Tips members. Avimanyu Bandyopadhyay. Docker members. Debdut Chakraborty.