What is LF?

What is LF? Enter Key Line Feed ASCII Character 010 Pressing
Line Feed - ASCII Character 010

     Part of the normal behavior of pressing the Enter key on a keyboard that causes the cursor to go to the beginning of the next line. In Telnet, this behavior sometimes needs to be turned off, resulting in an option to have a carriage return (for example, the Enter keys) either with or without a LineFeed.
     Sending the LineFeed control character to the printer causes the print head to advance one line. On some printers it also causes the print head to return to the left of the carriage.

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What is LF? Enter Key Line Feed ASCII Character 010 Pressing