chmod stands for change mode and it is used for changing the mode of access where as 777 is the ‘Octal Value’ of the file or directory permission. Here we discuss how to set read-write permissions for the web server.
Cross-selling is an eCommerce practice where retailers offer a user additional products that complement those that they have already purchased or are about to purchase. Up-selling, in its turn, is the strategy that consists of suggesting a user more expensive or upgraded products compared to those that they have initially chosen.
A user wants to buy a cell phone from your company
Suggesting a screen protector, phone case, or headphones
Offering a phone with a bigger screen, better camera, upgraded features, and, thus, a higher price