# clear ## Syntax ##
CLEAR [-all] [<refnum>]
## Parameters ## | | | | --- | --- | | `-all`: | Clear all the windows | The window number to clear; if no argument is given, the active window will be used. ## Description ## Scrolls up the text in the window and fills the window with blank lines; you may want to use this to make new text start at the top of the window again. ## See also ## [REDRAW](/documentation/help/1.4/redraw), [SCROLLBACK](/documentation/help/1.4/scrollback) CLEAR