A post script uncompresses this tar file, which subsequently runs the installation script contained inside the tar file. 由一个post脚本解压这个tar文件,接着运行tar文件里面包含的安装脚本。
This function allocates space for the RAM disk, calculates the cyclic redundancy check ( CRC), and then uncompresses and loads the RAM disk image into memory. 这个函数负责为RAM磁盘分配空间,并计算循环冗余校验码(CRC),然后对RAM磁盘映像进行解压,并将其加载到内存中。