ECE 379
Professor Mikko Lipasti
TA: Payam Karbassi

I.Creating a shared directory and sharing files
NOTE: '%' refers to the unix command line and '< >' refers to a name that you need to specify

1.create group online: 
    http://www.cae.wisc.edu/site/myaccount/?title=acctmanagement

2.create directory
    %mkdir <dir_name>

3.change directory's group permissions
    %chgrp <group_name> <dir_name>

4.change directory's write permission
    %chmod g+s <dir_name>
    %chmod g+w <dir_name>
  

5.go to the directory
    %cd <dir_name>

6.create a random file
    %xemacs some_file_by_me.txt
  and type something in it.

7.ask your partner to go to that directory and ask him/her to read your file
    %xemacs some_file_by_me.txt
  He/she should be able to read it.

8.Ask your partner to modify the file by writing a message to you and see if you can read that message.