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xrefresh - refresh all or part of an X screen
xrefresh [-option ...]
Xrefresh is a simple X program that causes all or part of your screen
to be repainted. This is useful when system messages have messed up
your screen. Xrefresh maps a window on top of the desired area of the
screen and then immediately unmaps it, causing refresh events to be
sent to all applications. By default, a window with no background is
used, causing all applications to repaint ``smoothly.'' However, the
various options can be used to indicate that a solid background (of any
color) or the root window background should be used instead.
-white Use a white background. The screen just appears to flash
quickly, and then repaint.
-black Use a black background. This can be somewhat disorienting as
everything goes black for a moment.
Use a solid background of the specified color. Try green.
-root Use the root window background.
-none This is the default. All of the windows simply repaint.
Specifies the portion of the screen to be repainted; see
This argument allows you to specify the server and
screen to refresh; see X(7).
-version This argument prints the program version and exits.
The xrefresh program uses the routine XGetDefault(3) to read defaults,
so its resource names are all capitalized.
Black, White, Solid, None, Root
Determines what sort of window background to use.
Determines the area to refresh. Not very useful.
DISPLAY - To get default host and display number.
It should have just one default type for the background.
Jim Gettys, Digital Equipment Corp., MIT Project Athena
X Version 11 XREFRESH(1)