(gnupg.info)System Notes

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12 Notes pertaining to certain OSes
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GnuPG has been developed on GNU/Linux systems and is know to work on
almost all Free OSes.  All modern POSIX systems should be supported
right now, however there are probably a lot of smaller glitches we need
to fix first.  The major problem areas are:

   * We are planning to use file descriptor passing for interprocess
     communication.  This will allow us save a lot of resources and
     improve performance of certain operations a lot.  Systems not
     supporting this won't gain these benefits but we try to keep them
     working the standard way as it is done today.

   * We require more or less full POSIX compatibility.  This has been
     around for 15 years now and thus we don't believe it makes sense to
     support non POSIX systems anymore.  Well, we of course the usual
     workarounds for near POSIX systems well be applied.

     There is one exception of this rule: Systems based the Microsoft
     Windows API (called here _W32_) will be supported to some extend.

W32 Notes

Microsoft Windows Notes