Around 2000 or so, I used to work in tech support for a software company who had like 5000 Windows-based customers and 5 running Solaris. My boss chose me to learn Solaris when the previous “expert” left. I bought this book and started hacking. Good times!
About 260 if you don’t count the function reference at the back. There sure wasn’t much to it back then. Compared to the monster that is C++. I can maybe see why Linus doesn’t like it and prefers C. There’s a hundred different ways to do one thing, and it could get out of hand, and there’s a lot of complex stuff in the libraries that you’re dependent on. For low-level programming it’s basically like “trust me, bro”.
It’s great for me though that can’t program worth a shit and have all the algorithms ready to go.