The crucial distinction is that all of the tasks in a system share a common memory space.

至关重要的差别在于系统中的所有任务共用公共的内存空间。

youdao

Multiple processes have to use complex mechanisms provided by the operating system to share memory and file descriptors, as we will see in Chapters 15 and 17.

就像我们在17章和15章看到的那样，多进程不得不用复杂的机制去处理操作系统的共享内存和文件描述符。

youdao

The memory protection and share mechanism can improve the reliability of the system.

通过存储保护机制提高系统健壮性。

youdao

The Mac uses only plug-in memory modules, its operating system automatically recognizes all the memory present, and all Mac software can share it.

WSJ: Here's How to Survive Shopping for a PC