xfce4-screenshooter keyboard shortcut

sh -c 'xfce4-screenshooter --fullscreen --save "$HOME/Pictures/Screenshots/Screenshot_$(date +%Y-%m-%d_%H:%M:%S).png"'

sh -c 'xfce4-screenshooter --window --save "$HOME/Pictures/Screenshots/Screenshot_$(date +%Y-%m-%d_%H:%M:%S).png"'

Parallel compression using Pigz

#no compression
tar --use-compress-program="pigz -k -0 " -cf dir.tar.gz dir

#best compression
tar --use-compress-program="pigz -k -11 " -cf dir.tar.gz dir

#uncompress
unpigz dir.tar.gz