Question
You see "lnext" or "LNEXT", and you want to know what it means. In the context of Linux, what does LNEXT refer to?
Answer
It is a special character in Linux that pertains to the terminal driver. It means "Literal next." To invoke the literal next character (and bypass other interpretations), an operator would typr Control-V.
The answer above was taken from page 1296 and 1298 of The Linux Programming Interface.