So here what is going on is I'm creating an alias which is an alias for the move command, which is MV and I'm aliasing it to the same command but adding the " -i" flag.

所以这里发生的事情是我正在创建一个别名，它是移动命令的别名，即 MV，我将它别名为同一命令，但添加了“-i”标志。