air_exec	air_exec
chrome_exec	chrome_exec
excel_exec	excel_exec
exec_available	exec_available
exec_locate	exec_locate
exec_version	exec_version
firefox_exec	firefox_exec
is_osx	is_osx
is_unix	is_unix
is_windows	is_windows
libreoffice_exec	libreoffice_exec
node_exec	node_exec
npm_exec	npm_exec
pandoc_exec	pandoc_exec
pip_exec	pip_exec
powerpoint_exec	powerpoint_exec
python_exec	python_exec
word_exec	word_exec
