You can Integrate VSS with Eclipse using the following steps

Step 1 : Download VSS plugin from http://sourceforge.net/projects/vssplugin/files/

Step 2 : Unzip and put it inside the eclipse\plugins folder 

Step 3 : Start Eclipse

Step 4 :  Select the project and go to Team >> Share project

 

Step 5 : Give the VSS server credentials .

Username                   : VSS user Name

Password                     : VSS user password

VSS Directory              : VSS  Sever path  which you can browse your network

Source dir                    : Local folder which is to map with VSS folder

Relative mountpoint   : Mapping path in the VSS server

Click on Finish button

Step 6 :

Now you can start using eclipse for all the VSS operation like get latest version from VSS ,Checkout /Checkin  VSS file etc..

Happy learning !!