Recap: Telling a UNIX System What to Do

Let’s look at a chapter summary and take a short quiz to test our understanding of this chapter’s content.


This chapter was all about systems programming and file I/O in Go and included topics such as signal handling, working with command-line arguments, reading and writing plain text files, working with JSON data, and creating powerful command-line utilities using cobra.

This is one of the most important chapters in this course because you cannot create any real-world utility without interacting with the operating system as well as the file system.

Quiz on telling a UNIX system what to do

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