code: public static PathImpl getTmpWorkDir()
    {
      String userName = System.getProperty("user.name");
      
      PathImpl path;
      // Windows uses /temp as a work dir
      if (com.caucho.v5.util.CauchoUtil.isWindows()
          && ! CurrentTime.isTest())
        path = VfsOld.lookup("file:/c:/tmp/" + userName);
      else
        path = VfsOld.lookup("file:/tmp/" + userName);
      
      return path;
    }
docs: Returns the user directory from /tmp/