Special system calls, or requests to the UNIX kernel, allocate and free the memory and set permissions; common read and write operations put and get data from the region.

用特殊的系统调用(即对UNIX内核的请求)分配和释放内存并设置权限；通过一般的读写操作读写内存段中的数据。

youdao

It is legal to read from or write to memory marked green.

合法读取或者写入内存则标记为绿色。

youdao

In a traditional kernel this is difficult to implement; the system has to be sure that different programs don't try to write to the same memory from different processors.

传统内核不好实现这样的分布式构造，因为系统要保证不同处理器上的不同程序不会写入同一块内存。

youdao

That way, if the power went away, the battery would have enough charge to write the data from the memory to some other more permanent location.

FORBES: Nanotech Meets Computer Memory

One evening it dissolves and Sid decides to re-write it from memory in effect, becoming Gould, just as Gould ultimately metamorphoses into a fish, taking Sid with him into his new element.

ECONOMIST: New fiction from Australia

They have to write down what they learned and what they heard today, so they actually have to kind of recite from memory what they heard and then how are they going to apply the message that was in the message to their life.

BBC