Provided by: xfce4-screenshooter_1.9.9-1_amd64 

NAME
xfce4-screenshooter: - manual page for xfce4-screenshooter: Cannot open display:
DESCRIPTION
Usage:
xfce4-screenshooter [OPTION?]
Help Options:
-h, --help
Show help options
--help-all
Show all help options
--help-gtk
Show GTK+ Options
Application Options:
-c, --clipboard
Copy the screenshot to the clipboard
-d, --delay
Delay in seconds before taking the screenshot
-f, --fullscreen
Take a screenshot of the entire screen
-m, --mouse
Display the mouse on the screenshot
--no-border
Removes the window border from the screenshot
-o, --open
Application to open the screenshot
-r, --region
Select a region to be captured by clicking a point of the screen without releasing the mouse
button, dragging your mouse to the other corner of the region, and releasing the mouse button.
-s, --save
File path or directory where the screenshot will be saved, accepts png, jpg and bmp extensions
-i, --imgur
Host the screenshot on Imgur, a free online image hosting service
-V, --version
Version information
-w, --window
Take a screenshot of the active window
--display=DISPLAY
X display to use
Try xfce4-screenshooter --help to see a full list of available command line options.
xfce4-screenshooter: Cannot open display: August 2021 XFCE4-SCREENSHOOTER:(1)