Do WordPress Core Filenames Work as Hooks?

Question

This is in reference to another answer here on wordpress.stackexchange. The answerer used the filename as the hook to enqueue scripts and styles to certain pages.

add_action( 'admin_print_scripts-post-new.php', 'portfolio_admin_script', 11 );
add_action( 'admin_print_scripts-post.php', 'portfolio_admin_script', 11 );