On this page, there is latex formula involuntarily
you will have to complete your thought with details
The command line shows ls -l HOME/public_html with ls -l in latex math font instead of \$ ls -l \$HOME/public_html. Maybe it's my browser though, it happens all the time on Quora. Like this maybe, it shows better: $$ ls -l $$
Apologies, my browser has TeX plugin turned on all the time...