Complex sentence: The ESC code is used extensively to introduce commands to control printing and display devices, for instance in the ANSI escape codes, and PCL, the printer language from Hewlett-Packard printers and compatibles.
Split into simpler sentences: The ESC code is used extensively to introduce commands to control printing and display devices. For instance in the ANSI escape codes, and PCL, the printer language from Hewlett-Packard printers and compatibles.