How to find out what group a given user has

Question

In Unix Linux  how do you find out what group a given user is in via command line

User · Accepted Answer

groups   or  groups user

User · Answer

On Linux OS X Unix to display the groups to which you  or the optionally specified user  belong  use  id -Gn  user   which is equivalent to groups  user  utility which has been obsoleted on Unix  On OS X Unix  the command id -p  user  is suggested for normal interactive  Explanation on the parameters   -G  --groups - print all group IDs -n  --name - print a name instead of a number  for -ugG -p - Make the output human-readable

User · Answer

This one shows the user s uid as well as all the groups  with their gids  they belong to  id userid

User · Answer

On Linux OS X Unix to display the groups to which you  or the optionally specified user  belong  use  id -Gn  user   which is equivalent to groups  user  utility which has been obsoleted on Unix  On OS X Unix  the command id -p  user  is suggested for normal interactive  Explanation on the parameters   -G  --groups - print all group IDs -n  --name - print a name instead of a number  for -ugG -p - Make the output human-readable

User · Answer

or just study  etc groups  ok this does probably not work if it uses pam with ldap

User · Answer

or just study  etc groups  ok this does probably not work if it uses pam with ldap

User · Answer

This one shows the user s uid as well as all the groups  with their gids  they belong to  id userid

User · Answer

or just study  etc groups  ok this does probably not work if it uses pam with ldap

User · Answer

Below is the script which is integrated into ansible and generating dashboard in CSV format   sh collection sh     bin bash  HOSTNAME  hostname -s   for i in  cat  etc passwd  grep -vE  nologin shutd hal sync root false  awk -F      print 1     sed  s    space      g    do groups  i  done sed s       g tr -d     sed -e  s    HOSTNAME    gt   tmp   HOSTNAME  inventory txt  sudo cat  etc sudoers  grep -v      awk   print  1   grep -v Defaults sed      d s    blank     g  gt  tmp   HOSTNAME  sudo txt  paste -d    tmp   HOSTNAME  inventory txt  tmp   HOSTNAME  sudo txt sed  s     blank       g   gt  tmp   HOSTNAME  inventory users txt   My output stored in below text files   cat  tmp ANSIBLENODE sudo txt cat  tmp ANSIBLENODE inventory txt cat  tmp ANSIBLENODE inventory users txt

User · Answer

or just study  etc groups  ok this does probably not work if it uses pam with ldap

User · Answer

This one shows the user s uid as well as all the groups  with their gids  they belong to  id userid

User · Answer

This one shows the user s uid as well as all the groups  with their gids  they belong to  id userid

User · Answer

Below is the script which is integrated into ansible and generating dashboard in CSV format   sh collection sh     bin bash  HOSTNAME  hostname -s   for i in  cat  etc passwd  grep -vE  nologin shutd hal sync root false  awk -F      print 1     sed  s    space      g    do groups  i  done sed s       g tr -d     sed -e  s    HOSTNAME    gt   tmp   HOSTNAME  inventory txt  sudo cat  etc sudoers  grep -v      awk   print  1   grep -v Defaults sed      d s    blank     g  gt  tmp   HOSTNAME  sudo txt  paste -d    tmp   HOSTNAME  inventory txt  tmp   HOSTNAME  sudo txt sed  s     blank       g   gt  tmp   HOSTNAME  inventory users txt   My output stored in below text files   cat  tmp ANSIBLENODE sudo txt cat  tmp ANSIBLENODE inventory txt cat  tmp ANSIBLENODE inventory users txt

[linux] How to find out what group a given user has?

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