386上都可以用的linux,386,哈哈，可能有人没听说过

http://tiny.seul.org/en/

Technical requirements:

* processor : i386 or better
* hard disk : 50 Mo is enough for installation itself, but you will do better with at least 80 Mo
* ram: 8 MB minimum, 12 MB or 16 MB is better
* floppy drive :3"1/4
* keyboard, mouse

中文的仅12MB，因为是内存盘，而且是用Opera, 推荐64mb内存 (装在硬盘上， 32mb就足够了， 不过要自己分区...)
见
http://www.linuxsir.org/bbs/thread335685.html
下载：
http://www.geocities.com/tinylinux3/

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