docbook software package provides standard SGML representation system for technical documents, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install docbook
docbook is installed in your system.
Make ensure the docbook package were installed using the commands given below,
$ sudo dpkg-query -l | grep docbook *
You will get with docbook package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Text Processing |
| Package | docbook |
| Version | 4.5-6 |
| Description | standard SGML representation system for technical documents |
| Sub Section | text |