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Full Discussion: File group issues
Top Forums UNIX for Beginners Questions & Answers File group issues Post 302989681 by rbatte1 on Tuesday 17th of January 2017 07:14:00 AM
Old 01-17-2017
By default, the file will be created with the Primary Group of the user creating the file, so field 4 in /etc/passwd although this can be changed with the newgrp but there are things to consider in the manual page for that too.

You can try to set a file to be a certain grep with the chgrp command.

I would also point out that it would be sensible to ensure that the ID number of the groups should match between the servers. The files are marked as owned by a user number and group number. These number are translated for humans when you use ls -l and similar commands.

If you copy files from one server to another keeping the permissions then the displayed names may change if the user account numbers and group numbers are not consistent.




Robin
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LEARN ABOUT XFREE86

newgrp

NEWGRP(1)                                                          User Commands                                                         NEWGRP(1)

NAME

       newgrp - log in to a new group

SYNOPSIS

       newgrp [-] [group]

DESCRIPTION

       The newgrp command is used to change the current group ID during a login session. If the optional - flag is given, the user's environment
       will be reinitialized as though the user had logged in, otherwise the current environment, including current working directory, remains
       unchanged.

       newgrp changes the current real group ID to the named group, or to the default group listed in /etc/passwd if no group name is given.
       newgrp also tries to add the group to the user groupset. If not root, the user will be prompted for a password if she does not have a
       password (in /etc/shadow if this user has an entry in the shadowed password file, or in /etc/passwd otherwise) and the group does, or if
       the user is not listed as a member and the group has a password. The user will be denied access if the group password is empty and the user
       is not listed as a member.

       If there is an entry for this group in /etc/gshadow, then the list of members and the password of this group will be taken from this file,
       otherwise, the entry in /etc/group is considered.

CONFIGURATION

       The following configuration variables in /etc/login.defs change the behavior of this tool:

       SYSLOG_SG_ENAB (boolean)
           Enable "syslog" logging of sg activity.

FILES

       /etc/passwd
           User account information.

       /etc/shadow
           Secure user account information.

       /etc/group
           Group account information.

       /etc/gshadow
           Secure group account information.

SEE ALSO

       id(1), login(1), su(1), sg(1), gpasswd(1), group(5), gshadow(5).

shadow-utils 4.5                                                    01/25/2018                                                           NEWGRP(1)
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