## 0.2. Scope of This Book

Unix in a Nutshell, Third Edition, is divided into five parts:

- Part I (Chapters 1 through 5) describes the syntax and options for Unix commands and for the Bourne, Korn, and C shells.

- Part II (Chapters 6 through 11) presents various editing tools and describes their command sets (alphabetically and by group). Part II begins with a review of pattern matching, including examples geared toward specific editors.

- Part III (Chapters 12 through 17) describes the `nroff` and `troff` text formatting programs, related macro packages, and the preprocessors `tbl`, `eqn`, `pic`, and `refer`.

- Part IV (Chapters 18 through 20) summarizes the Unix utilities for software development--SCCS, RCS, and `make`.

- Part V (Appendixes A and B, Bibliography) contains a table of ASCII characters and equivalent values (Appendix A), obsolete commands that are still part of SVR4 and/or Solaris (Appendix B), and a Bibliography of Unix books.

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