Linux Practical Task 2 edit2

#!/bin/bash
# convert *PNG -clone 2
# mogrify -resize 90% -brightness-contrast 30 input_images*.PNG

# montage *PNG -tile 2x2 -geometry 2000 output.pdf
# convert output.pdf -page A4 output.pdf

# mogrify -resize 10% -brightness-contrast 100 *.PNG


#Finally
montage -tile 3x2 -geometry +6+6 input_images/*PNG output.pdf

mogrify -brightness-contrast 30 output.pdf

#LastEdit - use geometry +6+6 for spaces between the images