Default DEL installation folder is /usr/local/DigiEL-x.y and should not be installed as root
Digi Embedded Linux package comes with an Eclipse based IDE 'Digi ESP' .
Digi has tested Digi ESPs on -
5.2 on Kubuntu 8.10
5.6,5.7 on Kubuntu 10.04.1
5.9 on Kubuntu 12.04.1
Only the above mentioned Digi ESP-OS combinations are officially supported.
5.7 is already installed and going to install 5.9 in parallel.
Kubuntu username is : testuser
Open a Terminal in Kubuntu
cd to /usr/local
execute sudo mkdir /usr/local/DigiEL-5.9
execute sudo chwon testuser:testuser /usr/local/DigiEL-5.9
Now install DEL 5.9 to /usr/local/DigiEL-5.9