STEP 4:

The CoCoNuT code can be download using svn. If you already have a username/password just type

The directory CoCoNuT will be created and the CoCoNuT code will be downloaded inside. You can always check in the future if you have the latest version of CoCoNuT just typing inside the CoCoNuT directory

which will give you an output of this type

M               4   src/output.F
       *        4   src/flux_r.F
M               5   src/initial_setup.F
M               5   include/size.h
       *        1   include/grid.h
Status against revision:      5

Where the M indicate locally modified files, the * stands for files which have a newer version in the repository (and should be updated) and the number is the last revision in which the file was modified (if it is smaller that the latest revision does not mean that it has to be updated).

If you have an old version ("revision") of the code you can update to the latest version with

If you want to know more about how to work with SVN you can check some of the manuals or quick introductions on the web.