away software package provides Terminal locking program, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install away
away is installed in your system.
Make ensure the away package were installed using the commands given below,
$ sudo dpkg-query -l | grep away *
You will get with away package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Utilities |
| Package | away |
| Version | 0.9.5+ds-0+nmu2 |
| Description | Terminal locking program |
| Sub Section | Utils |