miwm software package provides minimalist window manager with virtual workspaces, 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 miwm
miwm is installed in your system.
Make ensure the miwm package were installed using the commands given below,
$ sudo dpkg-query -l | grep miwm *
You will get with miwm package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | X Window System software |
| Package | miwm |
| Version | 1.1-3 |
| Description | minimalist window manager with virtual workspaces |
| Sub Section | x11 |