Library /sys$common/syshlp/DBG$HELP.HLB — DEBUG Built in Symbols, %CURSCROLL
Specifies the current (screen mode) scrolling display. This is
the default display for the SCROLL, MOVE, and EXPAND commands, as
well as for the associated keypad keys (KP2, KP4, KP6, and KP8).
Example:
DBG> EXPAND/DOWN:5 %CURSCROLL