OpenBSD is an operating system that's famous for its focus on security. Unfortunately, OpenBSD leader Theo states that there are only 7000 users of OpenBSD. So it's a very small but elite group, that wields a disproportionate influence; since we hear all the time about the awesome security features these guys get to use, even though we usually can't use them ourselves. Pledge is like the forbidden
![Porting OpenBSD pledge() to Linux](https://cdn-ak-scissors.b.st-hatena.com/image/square/6323309ee1b1cdf4fd1f6caf96fccc3f97ce1ab1/height=288;version=1;width=512/https%3A%2F%2Fworker.jart.workers.dev%2Fpledge%2Fopenbsd.png)