# Multi-version build + test (PG14–18)
It’s always nice to discover these pieces of forgotten knowledge, but these are 3 bytes in a 70 KB executable, so not a big progress…
。51吃瓜对此有专业解读
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Jails for NetBSD is an experimental prototype for lightweight, kernel-enforced isolation on NetBSD.
Фото: Kevin Dietsch / Getty Images