Terminal Guide

Move view port towards to top of the scroll back buffer (or clear scrollback)

ESC1B ]5D 72037 32 30 ;3b amount ESC1B \5C
urxvt
amount = 0

Move view port towards to top of the scroll back buffer (or clear scrollback)

if `amount´ is 0, clear the scrollback buffer.

Otherwise, move the scrolling view port amount lines toward the top of the scrollback buffer.