disper software package provides display switcher for attaching/detaching displays easily, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install disper
disper is installed in your system.
Make ensure the disper package were installed using the commands given below,
$ sudo dpkg-query -l | grep disper *
You will get with disper package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | disper |
| Version | 0.3.1-1 |
| Description | display switcher for attaching/detaching displays easily |
| Sub Section | Utils |