emacs software package provides GNU Emacs editor (metapackage), you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install emacs
emacs is installed in your system.
Make ensure the emacs package were installed using the commands given below,
$ sudo dpkg-query -l | grep emacs *
You will get with emacs package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Editors |
| Package | emacs |
| Version | 46.1ubuntu1 |
| Description | GNU Emacs editor (metapackage) |
| Sub Section | Editors |