https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884055#M67060 Also,<BR /><BR />With proper formatting, the output can be generated using the command ---<BR /><BR />awk -F: '{print NR ". " $4 " "$1}' /etc/passwd<BR /><BR /><BR /><BR /><BR /><BR />Atul Mon, 23 Oct 2006 04:47:18 GMT Atul Gautam 2006-10-23T04:47:18Z https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884051#M67056 How to write an awk program that reads /etc/passwd and prints the names of those users having the same GID in the form GID name1 name2 ...... <BR /><BR />Does the input data need to be sorted?<BR /><BR /><BR />Any Help is much appreciated :) <BR /><BR />Thanks in Advance <BR />Soujanya.R Fri, 20 Oct 2006 11:55:42 GMT https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884051#M67056 Soujanya 2006-10-20T11:55:42Z https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884052#M67057 The information is already available in /etc/group, no need to parse /etc/passwd. Fri, 20 Oct 2006 18:27:16 GMT https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884052#M67057 Manuel Wolfshant 2006-10-20T18:27:16Z https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884053#M67058 Oh, well, I stand corrected. Only for supplementary groups does /etc/group include the usernames. Primary group must be retrieved from /etc/passwd. Fri, 20 Oct 2006 18:34:02 GMT https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884053#M67058 Manuel Wolfshant 2006-10-20T18:34:02Z https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884054#M67059 Hey Soujanya,<BR /><BR />The command given below can give you a listing of the usernames and their GIDs but it will also contain the list of system users as well.<BR /><BR /># awk -F: '{print $1 " " $4}' /etc/passwd<BR /><BR /><BR /><BR /><BR /><BR />Atul Mon, 23 Oct 2006 04:44:44 GMT https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884054#M67059 Atul Gautam 2006-10-23T04:44:44Z https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884055#M67060 Also,<BR /><BR />With proper formatting, the output can be generated using the command ---<BR /><BR />awk -F: '{print NR ". " $4 " "$1}' /etc/passwd<BR /><BR /><BR /><BR /><BR /><BR />Atul Mon, 23 Oct 2006 04:47:18 GMT https://community.hpe.com/t5/operating-system-linux/how-to-get-the-duplicate-gid/m-p/3884055#M67060 Atul Gautam 2006-10-23T04:47:18Z