gimp and screenshot and Simplescreenrecorder

      $ sudo apt-get install gimp
       $ export DISPLAY=:0
       $ gimp out.ppm

sudo apt-get install scrot

export DISPLAY=:0

scrot 1.jpg

Simplescreenrecorder

$ sudo apt-get update
$ sudo apt-get install simplescreenrecorder
$ simplescreenrecorder

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原文地址：https://www.cnblogs.com/morganh/p/8583554.html