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Full Discussion: reg adding Users into at.allow and removing from at.allow
Top Forums Programming reg adding Users into at.allow and removing from at.allow Post 302113790 by naren_chella on Tuesday 10th of April 2007 08:40:20 AM
Old 04-10-2007
Many Thanks Blowtorch for your answer .

But here i cannot solve concurrency issues , multiple users accessing the same file.
two people using at.allow may cause incosistent at.allow file .

so i have to locak it before i update it .

any information reg the same a C program to lock , remove and unlock the at.allow so that we can avoid concurrency issues .

many thanks
Narendra
 

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LEARN ABOUT NETBSD

user

USER(8) 						    BSD System Manager's Manual 						   USER(8)

NAME

     user -- manage user login information on the system

SYNOPSIS

     user add -D [options]
     user add [options] user
     user del -D [options]
     user del [options] user
     user info [options] user
     user mod [options] user

DESCRIPTION

     The user utility acts as a frontend to the useradd(8), usermod(8), userinfo(8), and userdel(8) commands.  The utilities by default are built
     with EXTENSIONS.  This allows for further functionality.

     For a full explanation of the options available, please see the relevant manual page.

EXIT STATUS

     The user utility exits 0 on success, and >0 if an error occurs.

FILES

     /etc/skel/.[A-z]*		   Skeleton files for new user
     /etc/usermgmt.conf 	   Configuration file for user, group(8) and the backend commands mentioned above.

SEE ALSO

     chpass(1), group(5), passwd(5), usermgmt.conf(5), useradd(8), userdel(8), userinfo(8), usermod(8)

HISTORY

     The user utility first appeared in NetBSD 1.5.  It is based on the addnerd package by the same author.

AUTHORS

     The user utility was written by Alistair G. Crooks <agc@NetBSD.org>.

BSD
								 November 16, 2005							       BSD
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