On Mon, Aug 04, 2003 at 11:06:01PM +0530, bhushan_sharma wrote: > It's a practical issue. > > I wish that none of my students should be able to exchange > there assignments from their home directories How can i stop > them, what permissions, ownership, group should be given. If > gibve any default permissions (umask) & have private groups for > each, then also they being the owner can change the > permissions/ownership of files themselves. How can I stop them, > pl. suggest a strategy >
IMHO, permissions are unlikely to help. Even if you restrict at permission level, or for that matter make them work under a chrooted environment, there is always the "scratchpad" at /tmp to which files can be written and permissions changed to 666 for others to pick up from ... there is mail and other methods for exchange of notes as well ;-) Bish -- : ####[ GNU/Linux One Stanza Tip (LOST) ]####################### Sub : Extracting columns from databases LOST #411 You can use the 'cut' command to extract certain columns from standard input: for example, say you want the first and third column of a file, where columns are delimited with spaces: cat file | cut -d " " -f 1,3 ####[arnouten (at) bzzt.net]################################## : ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01/01 _______________________________________________ linux-india-help mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/linux-india-help
