marina cdf5bdf43e add content in ls and cd ... git-svn-id: svn+ssh://atelier.inf.usi.ch/home/bevilj/group-1@78 a672b425-5310-4d7a-af5c-997e18724b81		2018-11-09 18:42:56 +00:00
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basic	add content in ls and cd	2018-11-09 18:42:56 +00:00