I always assumed anything that was defined in the posix standard would be on most commons Linux distributions.
Yet when I looked up what utilities are standard in the posix standard I found this page with a long list.
After trying some that I hadn't heard much about I quickly noticed many don't seem to be installed on my system.
Perhaps the utilities are just named differently? For example I don't have
c99 on my system but I do have
cc which I assume can compile as
Other utilities I tried but don't seem to be on my system:
I've only tried a handful of commands that looked unfamiliar but I'm guessing many more aren't on my system.
Are these optional utilities?