> So I didn't know that when I press backspace in the terminal, "x08" is being sent, not "^H". "0x08" is "^H". H is the eighth letter of the alphabet. There i

> So I didn't know that when I press backspace in the terminal, "x08" is being sent, not "^H". "0x08" is "^H". H is the eighth letter of the alphabet. There is no difference between those except for the notation. In the ASCII character set, the first 32 characters are called control characters. This is why many keyboards have ^ on their control keys. The 26 control codes 1 through 0x1A correspond to ^A through ^Z. PS This relates to the 7-bit ASCII character set, American Standard Code for Information Interchange, composed of control characters for communication control, letters, numbers, and punctuation.