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Full Discussion: strange doubt in users
Top Forums UNIX for Dummies Questions & Answers strange doubt in users Post 91697 by matrixmadhan on Monday 5th of December 2005 01:51:48 AM
Old 12-05-2005
Thats very true,

after changing the group in /etc/passwd
all the files hence forth created will have the current group
and not the older ones

Assumed when group is changed for a user the home directory of the user which in turns contain an unique inode, would change its group name based on the group id identified from the file.

Wouldn't the contents of the inode(group name) be refreshed with the current one?
Would appreciate very much if somebody explains at the level of inodes?

Thanks,
Mad
 

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LEARN ABOUT SUSE

newgrp

newgrp(1)						      General Commands Manual							 newgrp(1)

NAME

       newgrp -  change effective group ID sg - execute command with different group ID

SYNOPSIS

       newgrp [-l] [group]
       sg group -c command

DESCRIPTION

       The  newgrp  command changes the user's real and effetive group ID by replacing the current shell with a new shell. A new shell is launched
       even if an error occours.

       A password is requested if the group has a password and the user is not listed in the group file as being a member of that group. The pass-
       word can be changed with the gpasswd(1) command.

       If the new effective group ID is not in the supplementary group list, newgrp will add the new group ID to the supplementary list, too.

       With  no  operands  and options, newgrp changes the user's group IDs (real and effective) back to the group specified in password and group
       file.

       The sg command works like the newgrp command, except that it executes the given command with /bin/sh and upon exit the group ID of the cur-
       rent shell is not changed.

OPTIONS

       -l, --login
	      reinitialize the environment as if the user logged in.

       --help Print a help list.

       -u, --usage
	      Print a short usage message.

       -v, --version
	      Print program version.

SEE ALSO

       gpasswd(1), group(5), passwd(1), passwd(5), su(1)

AUTHOR

       Thorsten Kukuk <kukuk@suse.de>

pwdutils							    April 2004								 newgrp(1)
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