

This is definitely the way for configuration files that you shouldn’t change permissions or ownership on but only want to modify a few times.
However, I find chmod easier to use without reference by using the ugoa (+/-) rwxXst syntax rather than the numbers.
Community in America means viewing the same website, buying items from the same company, or having a similar personal attribute to someone else at this point.
I think we use the word community so much in this country because it doesn’t really exist.