• First add terminal to the bottom panel. Terminal is in system tools. Once you open up a terminal, you are in your home directory: "/home/yourname".
• Use a browser (Firefox) to download the eclipse workspace.
• List what is in the current directory (input, output):
  ls
  Desktop
• Change directory to "Desktop":
  cd Desktop
• See what you have in the current directory:
  ls
  osp_eclipse_workspace.zip
  You will see osp_eclipse_workspace.zip if you have the downloaded the zip file "osp_eclipse_workspace.zip".
• Unzip the file
  unzip osp_eclipse_workspace.zip
  

  Archive: osp_eclipse_workspace.zip
      creating: workspace/.metadata/
      inflating: workspace/.metadata/.bak_0.log
      extracting: workspace/.metadata/.lock
      inflating: workspace/.metadata/.log
      creating: workspace/.metadata/.plugins/
  ...
  

• See what there is now:
  ls
  osp_eclipse_workspace.zip
  workspace
  Note that you have a new folder "workspace" after unzipping.
• Move the workspace directory to your home directory, which is one level up ("../"):
  mv workspace/ ../
• See what you have now:
  ls
  osp_eclipse_workspace.zip
  The workspace directory is now gone.
• Change directory to your home directory:
  cd ../
• ls
  Desktop
  workspace

You have successfully placed the workspace directory in your home directory.