May 05, 2012 · Download and install plan 9 in a virtual machine. VirtualBox and Download. The best way to get the experience of plan 9 is to run it in a virtual terminal. I recommend and use VirtualBox if you are running on a Linux system. If you are on a linux system you can use the package manager to download and install this software.
A virtual machine is being migrated to VirtualBox, and you are examining the requirements for the virtual machine. One requirement in particular is that the virtual machine must be able to use up to seven serial ports.