emacs software package provides The GNU Emacs editor (metapackage), you can install in your Ubuntu 12.04 LTS (Precise Pangolin) 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 12 04 lts precise pangolin |
| Section | Editors |
| Package | emacs |
| Version | 23.3+1-1ubuntu9.1 |
| Description | The GNU Emacs editor (metapackage) |
| Sub Section | Editors |