该命令显示系统中的空闲内存、已使用的物理内存和交换内存的总量,以及内核所使用的缓冲区。
The command displays the total amount of free, used physical, and swap memory in the system, as well as the buffers used by the kernel.
现在应用程序使用了143 MB的物理内存,其余的内存均被缓冲区占用;另外,系统现在使用了18 MB的交换空间。
Now applications have used 143mb of physical memory, with the rest of being used for buffers; in addition, the system now needs to make use of 18mb of swap.
此处对缓冲区大小所设置的限制是为了优化消息交换的性能。
The limitations on buffer size set here are for optimizing the performance of message exchanges.
应用推荐