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Old 04-04-2003, 08:43 AM   #1
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Registered: Sep 2002
Location: pune
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Question file permission

hi all ,
well can u help in this Question --> i have a user dhanraj in the Group users and there are other members in that Group like a,b,c,d , now on a specific file owned by the user a , i dont want to give any permission to dhanraj , well dont forget that dhanraj and a are member of the same group and else then dhanraj all the member should get rw permission .
thanking you,
Old 04-04-2003, 08:49 AM   #2
Registered: Feb 2003
Location: Brasil
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if the file is created under /home/user doesnt only root and user have permission for it? I am not at my linux box now, so I cant try it now.
I will post something later.
Old 04-04-2003, 10:25 AM   #3
Registered: Jan 2002
Location: Missoula. Montana, USA
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To restate: You want a, b, c, and d to have rw permission and you do not want dhanraj to have any permissions at all. I would make a new group that a, b, c, and d are members of, but dhanraj is not. To do this, just add an appropriate line in /etc/group. The line *could* be this: "abcd:*:701:a,b,c,d. Then change ownership with the following command: "chown a:abcd <file>". Then set permissions: "chmod 660 <file>". The result will a file with owner a, group abcd both of which have rw permision. dhanraj is neither and so will not beable to read or write the file. You may have to consider permissions on the directory in which the file is in as well.

Note that the permissions of a file created under /home/user are entirely a matter of personal taste and system configuration, although by default such files are hidden from other users. Note that redhat gives each user their own group. If you wanted b,c, & d to have rw access to all of a's files, they could be added to the "a " group and umask set accordingly for a (with proper directory permissions).
Old 04-05-2003, 05:06 AM   #4
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well , thanks a lot loke137,fsbooks, well i will surely try that out and reply to u soon .
dhanraj sheth


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