Hey there In console_codes(4) it says: > ECMA-48 Set Graphics Rendition but I think this should be: Select Graphic Rendition see e.g.: https://www.ecma-international.org/wp-content/uploads/ECMA-48_5th_edition_june_1991.pdf https://nvlpubs.nist.gov/nistpubs/Legacy/FIPS/fipspub86.pdf https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_(Select_Graphic_Rendition)_parameters Cheers, Chris.