calcurse software package provides text-based calendar and todo manager, 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 calcurse
calcurse is installed in your system.
Make ensure the calcurse package were installed using the commands given below,
$ sudo dpkg-query -l | grep calcurse *
You will get with calcurse package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Utilities |
| Package | calcurse |
| Version | 4.0.0-1 |
| Description | text-based calendar and todo manager |
| Sub Section | Utils |