read/write access mode

To overcome the drawbacks in Walrus, we have introduced a file-locking mechanism: To maintain data consistency, we've provided the ability to access the file in read/ write mode.

为了弥补Walrus的缺点，我们引入一种文件锁定机制：为了保持数据一致性，提供以读/写模式访问文件的功能。

DMA is the abbreviation of Direct Memory Access, it is a fast data transfer operating mode through which outside device and memory can write and read data each other directly without the temporary store of CPU.

DMA是存储器直接存取（Direct Memory Access）方式的缩写，它是指一种高速的数据传输操作方式，允许在外部设备和存储器之间直接读写数据而不需要通过CPU暂存。