制作u盘linux启动盘

前几天电脑坏了，想弄个linux启动盘应急修复一下，最后虽然还是没派上用场，但是至少启动盘弄出来了，在此记录一下。

需要的工具有
syslinux, 可以从http://www.kernel.org/pub/linux/utils/boot/syslinux/下载一个可以启动的linux映像，为了弄在U盘上，我选择了不到6M的ttylinux

由于是linux坏了，以下操作我都是在windows中进行的

1.解压syslinux
2.插入U盘
3.把linux映像解压到u盘，注意是解压不是拷贝
4.运行syslinux -sfma
5.由于ttylinux的映像是isolinux映像，所以应该做一些修改，把U盘里isolinux目录改名为syslinux,再把里面的isolinux.cfg改名为syslinux.cfg

这样就ok了，其中第5步我花了好久才悟出来
另外syslinux压缩包里也有linux版本

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