How to list all the users that have access to a directory?

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4















When I do ls -al, I see that "users" have access to a particular directory. How do I see what users have what access to these directories?



$ls -al
drwxrwxrwt 7 root root 4096 Mar 9 23:37 .
drwxr-xr-x 5 root root 4096 Feb 22 14:28 ..
drwxrwxrwx 65 myname users 4096 Feb 22 20:08 tools
-rwxr-xr-x 1 myname users 3832976 Jan 27 13:39 pfiles
drwxr-xr-x 2 myname users 4096 Jan 23 07:57 nfiles
drwxr-xr-x 4 myname users 4096 Aug 1 2014 dfiles









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  • when you set the linux permissions like your example. Others can read/execute your directory.Because your linux permissions setting was rwx - rx -rx or 755.

    – supriady
    Mar 19 '17 at 8:39











  • to put a finer point on what supriady said, everyone that can log in to the system can see those files/directories (assuming they can get to the parent directory).

    – Jeff Schaller
    Feb 10 at 1:24















4















When I do ls -al, I see that "users" have access to a particular directory. How do I see what users have what access to these directories?



$ls -al
drwxrwxrwt 7 root root 4096 Mar 9 23:37 .
drwxr-xr-x 5 root root 4096 Feb 22 14:28 ..
drwxrwxrwx 65 myname users 4096 Feb 22 20:08 tools
-rwxr-xr-x 1 myname users 3832976 Jan 27 13:39 pfiles
drwxr-xr-x 2 myname users 4096 Jan 23 07:57 nfiles
drwxr-xr-x 4 myname users 4096 Aug 1 2014 dfiles









share|improve this question
























  • when you set the linux permissions like your example. Others can read/execute your directory.Because your linux permissions setting was rwx - rx -rx or 755.

    – supriady
    Mar 19 '17 at 8:39











  • to put a finer point on what supriady said, everyone that can log in to the system can see those files/directories (assuming they can get to the parent directory).

    – Jeff Schaller
    Feb 10 at 1:24













4












4








4








When I do ls -al, I see that "users" have access to a particular directory. How do I see what users have what access to these directories?



$ls -al
drwxrwxrwt 7 root root 4096 Mar 9 23:37 .
drwxr-xr-x 5 root root 4096 Feb 22 14:28 ..
drwxrwxrwx 65 myname users 4096 Feb 22 20:08 tools
-rwxr-xr-x 1 myname users 3832976 Jan 27 13:39 pfiles
drwxr-xr-x 2 myname users 4096 Jan 23 07:57 nfiles
drwxr-xr-x 4 myname users 4096 Aug 1 2014 dfiles









share|improve this question
















When I do ls -al, I see that "users" have access to a particular directory. How do I see what users have what access to these directories?



$ls -al
drwxrwxrwt 7 root root 4096 Mar 9 23:37 .
drwxr-xr-x 5 root root 4096 Feb 22 14:28 ..
drwxrwxrwx 65 myname users 4096 Feb 22 20:08 tools
-rwxr-xr-x 1 myname users 3832976 Jan 27 13:39 pfiles
drwxr-xr-x 2 myname users 4096 Jan 23 07:57 nfiles
drwxr-xr-x 4 myname users 4096 Aug 1 2014 dfiles






linux permissions






share|improve this question















share|improve this question













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edited Dec 15 '18 at 16:38









Rui F Ribeiro

40.9k1479137




40.9k1479137










asked Mar 19 '17 at 8:25









ajyajy

13113




13113












  • when you set the linux permissions like your example. Others can read/execute your directory.Because your linux permissions setting was rwx - rx -rx or 755.

    – supriady
    Mar 19 '17 at 8:39











  • to put a finer point on what supriady said, everyone that can log in to the system can see those files/directories (assuming they can get to the parent directory).

    – Jeff Schaller
    Feb 10 at 1:24

















  • when you set the linux permissions like your example. Others can read/execute your directory.Because your linux permissions setting was rwx - rx -rx or 755.

    – supriady
    Mar 19 '17 at 8:39











  • to put a finer point on what supriady said, everyone that can log in to the system can see those files/directories (assuming they can get to the parent directory).

    – Jeff Schaller
    Feb 10 at 1:24
















when you set the linux permissions like your example. Others can read/execute your directory.Because your linux permissions setting was rwx - rx -rx or 755.

– supriady
Mar 19 '17 at 8:39





when you set the linux permissions like your example. Others can read/execute your directory.Because your linux permissions setting was rwx - rx -rx or 755.

– supriady
Mar 19 '17 at 8:39













to put a finer point on what supriady said, everyone that can log in to the system can see those files/directories (assuming they can get to the parent directory).

– Jeff Schaller
Feb 10 at 1:24





to put a finer point on what supriady said, everyone that can log in to the system can see those files/directories (assuming they can get to the parent directory).

– Jeff Schaller
Feb 10 at 1:24










2 Answers
2






active

oldest

votes


















2














users is a group, so the members of that group and all of the other groups is available in /etc/group.



The ArchWiki has an excellent page on file permissions and attributes.






share|improve this answer

























  • Group users is not in the file. cat /etc/group | grep users doesn't return anything. Any idea why?

    – ajy
    Mar 19 '17 at 8:44











  • Strange, "users" should be an invalid group, then, and the GID would be shown instead of the name. Which distribution are you on?

    – Kenneth B. Jensen
    Mar 19 '17 at 8:52











  • Only non-primary group memberships are listed in group (but users should still be in it).

    – Michael Homer
    Mar 19 '17 at 9:07






  • 1





    the group entries could be in elsewhere, such as NIS or LDAP; use getent group users as Tagar did

    – Jeff Schaller
    Feb 10 at 1:23


















2














To get list of users in users group, you could use following command:



$ getent group users
users:x:1021:ken,ben,dan





share|improve this answer






















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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    2














    users is a group, so the members of that group and all of the other groups is available in /etc/group.



    The ArchWiki has an excellent page on file permissions and attributes.






    share|improve this answer

























    • Group users is not in the file. cat /etc/group | grep users doesn't return anything. Any idea why?

      – ajy
      Mar 19 '17 at 8:44











    • Strange, "users" should be an invalid group, then, and the GID would be shown instead of the name. Which distribution are you on?

      – Kenneth B. Jensen
      Mar 19 '17 at 8:52











    • Only non-primary group memberships are listed in group (but users should still be in it).

      – Michael Homer
      Mar 19 '17 at 9:07






    • 1





      the group entries could be in elsewhere, such as NIS or LDAP; use getent group users as Tagar did

      – Jeff Schaller
      Feb 10 at 1:23















    2














    users is a group, so the members of that group and all of the other groups is available in /etc/group.



    The ArchWiki has an excellent page on file permissions and attributes.






    share|improve this answer

























    • Group users is not in the file. cat /etc/group | grep users doesn't return anything. Any idea why?

      – ajy
      Mar 19 '17 at 8:44











    • Strange, "users" should be an invalid group, then, and the GID would be shown instead of the name. Which distribution are you on?

      – Kenneth B. Jensen
      Mar 19 '17 at 8:52











    • Only non-primary group memberships are listed in group (but users should still be in it).

      – Michael Homer
      Mar 19 '17 at 9:07






    • 1





      the group entries could be in elsewhere, such as NIS or LDAP; use getent group users as Tagar did

      – Jeff Schaller
      Feb 10 at 1:23













    2












    2








    2







    users is a group, so the members of that group and all of the other groups is available in /etc/group.



    The ArchWiki has an excellent page on file permissions and attributes.






    share|improve this answer















    users is a group, so the members of that group and all of the other groups is available in /etc/group.



    The ArchWiki has an excellent page on file permissions and attributes.







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited Mar 19 '17 at 16:02









    Pro Backup

    2,10863258




    2,10863258










    answered Mar 19 '17 at 8:29









    Kenneth B. JensenKenneth B. Jensen

    57839




    57839












    • Group users is not in the file. cat /etc/group | grep users doesn't return anything. Any idea why?

      – ajy
      Mar 19 '17 at 8:44











    • Strange, "users" should be an invalid group, then, and the GID would be shown instead of the name. Which distribution are you on?

      – Kenneth B. Jensen
      Mar 19 '17 at 8:52











    • Only non-primary group memberships are listed in group (but users should still be in it).

      – Michael Homer
      Mar 19 '17 at 9:07






    • 1





      the group entries could be in elsewhere, such as NIS or LDAP; use getent group users as Tagar did

      – Jeff Schaller
      Feb 10 at 1:23

















    • Group users is not in the file. cat /etc/group | grep users doesn't return anything. Any idea why?

      – ajy
      Mar 19 '17 at 8:44











    • Strange, "users" should be an invalid group, then, and the GID would be shown instead of the name. Which distribution are you on?

      – Kenneth B. Jensen
      Mar 19 '17 at 8:52











    • Only non-primary group memberships are listed in group (but users should still be in it).

      – Michael Homer
      Mar 19 '17 at 9:07






    • 1





      the group entries could be in elsewhere, such as NIS or LDAP; use getent group users as Tagar did

      – Jeff Schaller
      Feb 10 at 1:23
















    Group users is not in the file. cat /etc/group | grep users doesn't return anything. Any idea why?

    – ajy
    Mar 19 '17 at 8:44





    Group users is not in the file. cat /etc/group | grep users doesn't return anything. Any idea why?

    – ajy
    Mar 19 '17 at 8:44













    Strange, "users" should be an invalid group, then, and the GID would be shown instead of the name. Which distribution are you on?

    – Kenneth B. Jensen
    Mar 19 '17 at 8:52





    Strange, "users" should be an invalid group, then, and the GID would be shown instead of the name. Which distribution are you on?

    – Kenneth B. Jensen
    Mar 19 '17 at 8:52













    Only non-primary group memberships are listed in group (but users should still be in it).

    – Michael Homer
    Mar 19 '17 at 9:07





    Only non-primary group memberships are listed in group (but users should still be in it).

    – Michael Homer
    Mar 19 '17 at 9:07




    1




    1





    the group entries could be in elsewhere, such as NIS or LDAP; use getent group users as Tagar did

    – Jeff Schaller
    Feb 10 at 1:23





    the group entries could be in elsewhere, such as NIS or LDAP; use getent group users as Tagar did

    – Jeff Schaller
    Feb 10 at 1:23













    2














    To get list of users in users group, you could use following command:



    $ getent group users
    users:x:1021:ken,ben,dan





    share|improve this answer



























      2














      To get list of users in users group, you could use following command:



      $ getent group users
      users:x:1021:ken,ben,dan





      share|improve this answer

























        2












        2








        2







        To get list of users in users group, you could use following command:



        $ getent group users
        users:x:1021:ken,ben,dan





        share|improve this answer













        To get list of users in users group, you could use following command:



        $ getent group users
        users:x:1021:ken,ben,dan






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Feb 9 at 20:48









        TagarTagar

        1786




        1786



























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