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blogTitle:'嵌入式Linux之文件系統啟動分析【原創】',

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author：張繼飛

寫在前面，這一切必須是在Linux內核掛載文件系統后。

在Linux內核中找到/init/main.c?? 看到如下內容：

run_init_process(\"/sbin/init\");

run_init_process(\"/etc/init\");

run_init_process(\"/bin/init\");

run_init_process(\"/bin/sh\");

這里就是執行系統的啟動，當滿足上面其中之一后，系統就會執行啟動進程。一般通過busybox編譯后的init在/sbin/下，所以通過第一條命令，下面就需要找到init，分析源碼。

在busybox源碼的/init/init.c中，有#define',

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