поигрался - вроде работает под ubuntu
#!/bin/sh
# simple installer for Ubuntu 14.04 https://bitbucket.org/EvilBeaver/1script/wiki/Home
echo 'Starting wgeter latest develops'
wget --continue ftp://beaversoft.ru:2011/OneScript/1.0/develop/OneScript-latest.zip ./
unzip -o OneScript-latest.zip -d osc-engine
sudo apt-key adv --keyserver pgp.mit.edu --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
sudo su -c 'echo "deb http://download.mono-project.com/repo/debian wheezy main" > /etc/apt/sources.list.d/mono-xamarin.list'
sudo apt-get update
sudo apt-get -y install mono-runtime
sudo rsync -r ./osc-engine /usr/lib
INTERPRETATOR='#!/bin/sh\n/usr/bin/mono /usr/lib/osc-engine/oscript.exe "$@"'
echo "$INTERPRETATOR" > ./oscript.sh
chmod +x ./oscript.sh
sudo su -c 'rsync ./oscript.sh /usr/bin/'