Ubuntu Manual

http://ubuntumanual.org/posts/75/how-to-install-samba-server-for-filefol...                    Then go to terminal and type the following

                   sudo cp /etc/samba/smb.conf /etc/samba/smb.conf_backup

Read #How to install Samba Server for files/folders sharing service To add network user Read #How to add/edit/delete system users sudo smbpasswd -a system_username gksudo gedit /etc/samba/smbusers  Insert the following line into the new file system_username = "network username" 

To remove an application from your system simply goto system-->administration-->synaptic package manager and then search for the package u want to uninstall.Then right click on the package and unmark it .Then Apply the changes. You can also uninstall the package using commad line option.ie goto applications-->accessories-->terminal and type the following

Netbeans is a platform independent IDE for Java. But it also supports C/C++, Ruby, portals and lots of other stuffs as plug-ins. At the point of writing, version 5.5.1 is the latest stable release and can be installed by: sudo apt-get install netbeans5.5

Go to terminal and type the following to install the software sudo apt-get install ubuntustudio-video

  To add any third party repositories,Follow the steps

Go to System-->Administration-->Software Sources-->Third-party software-->Add Enter the name of  repository you want to add