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copied!<p>If you can convince your system administrator to install the libraries (an X server is not required), you can use X forwarding with SSH, which will allow you to execute X apps remotely and have them come up on your local server. If you're using Linux locally, you probably have X running already, and if you are using Windows, you can use the Xming server (with a little configuration to get it to accept remote connections). For debugging, if you need a separate shell, just set another instance of SSH going and perform debugging from another process.</p> <p>As for portability, it depends on what you are trying to do. If all you want is a simple console-based application, you shouldn't run into any major portability concerns. If you are using more complex code, portability depends heavily on two things. The first is the choice of libraries - sure, you can run applications written for Win32 on Linux with Wine or actually compile them with Winelib, but it's not a pleasant experience. If you choose something more portable like Qt or gtkmm, you'll have a much easier time of things. Likewise for filesystem code - using a library like Boost.Filesystem will make things significantly simpler. The second thing that makes a big difference for portability is to <em>follow the documentation</em>. It's hard to stress this enough - many things that you do incorrectly will have varied results on different platforms, especially if you are using libraries that don't do checks (note: I highly recommend checking code against debug standard libraries for this reason). I once spent nearly a weak tracking down a portability bug that arose because someone didn't read the docs and was passing an invalid parameter.</p>

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