"In the first edition of this book, I said using fsdb(8) and clri(8) was like climbing Mount Everest in sandals and shorts. Really, it’s like you’re carrying the sherpa too, except the sherpa’s a chubby author who eats too much gelato and is wearing a really heavy coat because Everest is even colder than his native Michigan." - #af3e
"The original engineers of IPv4 thought that 4.29 billion IP addresses would be enough for the whole world. Computers were expensive, after all, and only military and educational systems connected to the Internet. It’s not as if every person in the world would one day own multiple networked devices.
"Once upon a time, a sysadmin could make assumptions about a disk based on the information it provided. Those days are long, long past. Today a disk is pretty much a magic box that regurgitates data on request. Some of those magic boxes have spinning platters in them. Others are solid state. The magic boxes provide numbered sectors that you can put a filesystem on. The relationship between those numbers and the contents of the box? That’s magic, inscrutable and unknowable." #af3e #sysadmin