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The owner of a memory block is a 16-bit word. It is set to zero to indicate a free block. A non-zero value is normally the PID (process identifier) of the owner, that is, the address of the PSP of the owning process. This is important when a process terminates, because DOS automatically frees all memory blocks that the process owned. Note that DOS performs no validity checks on the owner; any process can free or resize any block, regardless of who owns it, and the MCB owner need not be a valid PID.
Apple introduces the new iPad Air, powered by M4。业内人士推荐Line官方版本下载作为进阶阅读
In the canton of Fribourg, it’s the average tax rate that follows a piecewise linear progression.
Beware smart memory systems - the Mac will compress least unused chunks of memory when running low on RAM and zeroes would compress quite well, effectively reducing the size of your cosmic ray detector =[，详情可参考同城约会