[K12OSN] Homework DropBox Idea

Liam Marshall lsrpm-1 at shaw.ca
Mon Jul 25 00:35:25 UTC 2005

Here is what I have:

off of the /home/ dir I have created sub dirs for each of the classes, 
then inside those the home dirs for the individuals in the class.  For 


Now this worked for me last year, and as equiv to root I could go into 
each folder to mark.  But it took some time to go into each folder 
individually, looking for assignments

Here is what I would like:

directory structure like so   


one directory for each class, but no individual user folders inside. 

I want to give the kids responsibility to "hand-in" their assignments 
into the appropriate folders.  BUT:

I don't want other classes to be able to mess with their files.  so 
compsci kids can't mess with saps files, etc.  But I wanted to take it 
further and say that the compsci kids could hand in their finished work 
into the /homework/compsci folder, but not delete or change the file 
once it is there

in other words I want the class homework folders to have write once 
access/no read access/and no delete access.  So they can save/drop the 
file into the directory, but not change it or delete it once there

So after that long preamble, what rights do I set on a folder to 
acomplish this?  You should know that each class has a distinct gid so I 
can set rights using that, I think

I am thinking, if the rights can be set like I want, that users can drag 
their completed assignments into the appropriate homework "dropbox" and 
they are done, and can't cheat off of, or trash, other classmate's files

advise greatly appreciated

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