Merch: Can't bear to go out in public without OSTEP? How about an Operating Systems: Three Easy Pieces T-shirt or laptop sticker or bathmat or blanket or mug or check out the whole store?

(https://github.com/remzi-arpacidusseau/ostep-projects) for some projects. To do these homeworks, you likely have to be on a UNIX-based ma-chine, running either Linux, macOS, or …

https://github.com/remzi-arpacidusseau/ostep-homework/ and then cd into the relevant homework directory, read the README, and follow directions at the end of the relevant chapter.

The book is called Operating Systems: Three Easy Pieces (available at http://ostep.org), and the title is obviously an homage to one of the greatest sets of lecture notes ever created, by one …

The Abstraction: The Process In this chapter, we discuss one of the most fundamental abstractions that the OS provides to users: the process. The definition of a process, infor …

In particular, there are many cases where a thread wishes to check whether a condition is true before continuing its execution. For example, a parent thread might wish to check whether a …

Changes include: re-format of entire book to fit more text onto each page (saves a few bucks in the printed version, and looks a little better); added proper copyright notice and link to …

Concurrency: An Introduction Thus far, we have seen the development of the basic abstractions that the OS performs. We have seen how to take a single physical CPU and turn it into …

http://www.ostep.org/Citations/zfs_last.pdf. One of the most recent important file systems, full of features and awesomeness. We should have a chapter on it, and perhaps soon will. [B02] …

Interludes will cover more practical aspects of systems, including a par-ticular focus on operating system APIs and how to use them. If you don’t like practical things, you could skip these …