/usr/lib/open-axiom/input/torus.input is in open-axiom-test 1.4.1+svn~2299+ds-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | )cl all
f(x:SF):SF == x
torus := tubePlot(sin t,cos t,0,f,0..2*%pi,0.5::SF,12,"closed")
makeViewport3D(torus,"torus")$VIEW3D
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