/usr/share/makehuman/data/shaders/ is in makehuman-data 1.0.0~alpha6-5ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/makehuman/data/shaders/aqsis/
/usr/share/makehuman/data/shaders/aqsis/bakelightmap.sl
/usr/share/makehuman/data/shaders/aqsis/cornea.sl
/usr/share/makehuman/data/shaders/aqsis/envlight.sl
/usr/share/makehuman/data/shaders/aqsis/eyeball.sl
/usr/share/makehuman/data/shaders/aqsis/hair.sl
/usr/share/makehuman/data/shaders/aqsis/mixer.sl
/usr/share/makehuman/data/shaders/aqsis/occlmap.rib
/usr/share/makehuman/data/shaders/aqsis/scatteringtexture.sl
/usr/share/makehuman/data/shaders/aqsis/shadowspot.sl
/usr/share/makehuman/data/shaders/aqsis/skin.sl
/usr/share/makehuman/data/shaders/aqsis/skin2.sl
/usr/share/makehuman/data/shaders/aqsis/skinbump.sl
/usr/share/makehuman/data/shaders/aqsis/textureonly.sl
/usr/share/makehuman/data/shaders/glsl/
/usr/share/makehuman/data/shaders/glsl/phong_fragment_shader.txt
/usr/share/makehuman/data/shaders/glsl/phong_vertex_shader.txt
/usr/share/makehuman/data/shaders/glsl/skin_fragment_shader.txt
/usr/share/makehuman/data/shaders/glsl/skin_vertex_shader.txt
/usr/share/makehuman/data/shaders/glsl/toon_fragment_shader.txt
/usr/share/makehuman/data/shaders/glsl/toon_vertex_shader.txt
/usr/share/makehuman/data/shaders/unused/
/usr/share/makehuman/data/shaders/unused/onlytexture.sl
/usr/share/makehuman/data/shaders/unused/skinbump.sl