1、了解 NFS 的原理 2、掌握在如何通过 NFS 挂载根文件系统 3、把自己编写的程序通过 NFS 加到根文件系统中 -1, to understand the principles of NFS 2, lies in how to mount the root filesystem via NFS 3, to the programs that added to the root file system via NFS in