How to find/view all the members of a group in Linux

Now in Linux we have two types of groups

  • Primary Group
  • Secondary Group

 

View all the members of the primary group

First you need to know the GID of the group of whoose members you want to query for

Syntax:

# grep "group_name" /etc/group

# grep dba /etc/group
dba:x:503:

Now grep that GID to get list of users under dba group

# grep 503 /etc/passwd
deepak:x:501:503::/home/deepak:/bin/bash
user:x:502:503::/home/user:/bin/bash
deep:x:503:503::/home/deep:/bin/bash

 

View all the members of the secondary group

To do this we have a no. of methods

Method 1

# getent group dba
dba:x:503:deepak,deep,user,user1

Method 2

# grep dba /etc/group
dba:x:503:deepak,deep,user,user1

Method 3
Syntax

# groupmems -g "group_name" -l
# groupmems -g dba -l
deepak  deep  user  user1

 

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