Robert French

Explore file descriptors, a fundamental UNIX abstraction that connects files, pipes, network sockets, and the UNIX philosophy of building programs that work together.

The xz-utils backdoor was a near miss for global cybersecurity—learn why linking OpenSSH against SystemD and GNU IFUNC made this attack possible.

Peek behind the curtain of containers—understand the fictions needed to create these stages and how different operating systems combine them into compelling reality.

Discover DTrace, a tool for safely debugging live systems with insight into both application and kernel behavior—now available for a very popular "Not Unix" operating system!