cron software package provides process scheduling daemon, 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 cron
cron is installed in your system.
Make ensure the cron package were installed using the commands given below,
$ sudo dpkg-query -l | grep cron *
You will get with cron package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Administration Utilities |
| Package | cron |
| Version | 3.0pl1-128ubuntu2 |
| Description | process scheduling daemon |
| Sub Section | admin |