To find your current resolution in a Linux shell you can use:
xdpyinfo | grep dim
dimensions: 3840×3600 pixels (1015×951 millimeters)
Find your screen resolution in Linux shell
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Monthly Archives: November 2021
Using OR in a grep search
To use OR when you are doing a grep search use the \| characters to separate the items you are searching for.
cat text_to_search_in | grep 'first\|second\|third'