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\subsubsection{{\color{red} Another section?}}  First, log in to the linux computer as {\tt partiii} {\color{red}{\tt partiii}}  (the password will be available in the lab). You will end up with a screen with an xterm  in the middle. {\color{blue} The xterm runs on the UNIX operating system, and your  friendly demonstrators will be able to help you should you get stuck  with using it. If you type {\tt ls} you will get a listing of the  current directory.} You should see a directory called {\tt originals2014} {\color{red}{\tt originals2014}}  -- this is where all the relevant images are kept. Please do not alter  these! Instead create your own directory (I've used the name {\tt  bob}, but you can be more creative!) and copy them into it:  {\color{red} SB updated IRAF commands to 1.5.1}  \begin{verbatim}  > mkdir bob  > cp originals2014/*.fits bob/