Some instructions say to put 'uname -r' into terminal commands. Is this supposed to be automatically converted by the system to something else? It doesn't get converted to anything on my system. uname -r only works by itself but not as a program argument.
Probably, it says:
Make sure you use the right quotes. A trivial example is:
Of course, this is just equivalent to:
The backquotes capture the output of the command as a string. Generally the equivalent:
is considered clearer. It nests correctly, and it's harder to misinterpret.