unable to install eclipse manually

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http://askubuntu.com – I have just started linux. I have a SBC(Atom processor) on which I have installed Ubuntu 12.04 and now I am trying to install Fortran IDE. for which I have learn't that I need to install OpenJDK first, then Eclipse Juno and at last the Phortran plugin for Eclipse. I have no internet access so I had follow the below steps for manual installation. a.First download the eclipse tar.gz package (downloaded: eclipse-parallel-juno-linux-gtk.tar). b.Then righ-click the eclipse tar.gz and choose the extract here option to extract the tar.gz package.You can also use the command line to extract the ta (HowTos)