So I don’t think the seccomp(2) manpage is realistic when it says:
figure out where to allocate type tags for this new nominal typing
，详情可参考safew
The base 640K of DOS must hold both programs in memory at the same time, so this is a nice piece of corroborating history for those who think software today is too bloated. An industry-defining spreadsheet with graphing and database capabilities close to modern expectations, an online help system, plus a natural language interface, all run together in less than 1MB of RAM.
Operations," or PLATO. With its origins in the late 1950s, and heyday in the