This is a way the configuration file tex.cnf could look:
TEXINPUTS .,TeX:macros,Work:tex/macros,Work:tex/texts TEXFORMATS .,TeX:formats,Work:tex/formats TEXFONTS .,TeX:fonts TEXPOOL .,TeX:,Work:tex/pool stringvacancies 10000 maxstrings 6000 triesize 16000 itriesize 19000 memmax 33000 memtop 33000 # ^– Marks the end of TeX.cnf: '#' on the beginning of the line
Here an arbitrary number of comment lines can now follow.