Gnu/Linux OS
下面是使用Emacs的artist-mode绘制出的ASCII格式图形。看了这个图形之后，我想你肯定会说：“简直就是shit！”。
:-)
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+---------------------------------------------------------+ | Applications | | +----------------------------------------------------+ | | System Libraries | +----+----------------------------------------------------+ | System Call Interface | +------------------------+--------------+-----------------+ +---------+| VFS | Socket | | | |+------------------------+--------------+ Scheduler +-------+ CPU || File Systems | TCP/UDP | | | |+------------------------+--------------+-----------------+ +----+----+| Volume Manager | IP | Virtual | | +------------------------+--------------+ Memory | || Block Device Interface | Ethernet | | |+------------------------+--------------+-----------------+ +----+----+| Device Driver | | DRAM |+-----------------------------+---------------------------+ +---------+ |
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+-------+--------+
| I/O Bridge |
+-------+--------+
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------+-----------------+--------------------+------
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+---------+--------+ +----------+---------+
| I/O Controller | | Network Controller |
+-+-------+------+-+ +----+----------+----+
| | | | |
+---+---+ | +---+---+ +----+----+ +---+----+| Disk | ... | Swap | | Port | | Port |+-------+ +-------+ +---------+ +--------+ |
上面的ASCII图形只是开始，下面结合ditaa工具，快速地做出相应的图片。ditaa工具是Stathis Sideris使用Java开发的一款工具，全称是（DIagrams Through Ascii）。
下面的图象是在Emacs的Org-mode下绘制出来的，具体代码为：
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#+BEGIN_SRC ditaa :file images/linux-os.png+---------------------------------------------------------+ | Applications | | +----------------------------------------------------+ | | System Libraries | +----+----------------------------------------------------+ | System Call Interface | +------------------------+--------------+-----------------+ +---------+| VFS | Socket | | | |+------------------------+--------------+ Scheduler +-------+ CPU || File Systems | TCP/UDP | | | |
+------------------------+--------------+-----------------+ +----+----+| Volume Manager | IP | Virtual | | +------------------------+--------------+ Memory | || Block Device Interface | Ethernet | | |+------------------------+--------------+-----------------+ +----+----+| Device Driver | | DRAM |+-----------------------------+---------------------------+ +---------+ |
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+-------+--------+
| I/O Bridge |
+-------+--------+
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------+-----------------+--------------------+------
| |
+---------+--------+ +----------+---------+
| I/O Controller | | Network Controller |
+-+-------+------+-+ +----+----------+----+
| | | | |
+---+---+ | +---+---+ +----+----+ +---+----+| Disk | ... | Swap | | Port | | Port |+-------+ +-------+ +---------+ +--------+#+END_SRC |
在BEGIN_SRC与END_SRC之间的任何位置，按组合键“C-c C-c”即可完成编译，输出的结果为：
还可以添加一些命令行选项：如
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ditaa :file images/linux-os.png :cmdline -E
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得到的结果如下：
怎么样？是不是有些zhuangbility！
:-)
本文转自 bigstone2012 51CTO博客，原文链接:http://blog.51cto.com/lavenliu/1597369