" I also recognized that I couldn't redirect STDERR devoid of also redirecting STDOUT. The answer wherever programA sends STDOUT to STDIN of programB, then redirects STDERR to a log file: programA 2> /var/log/programA.log We'll add a workaround for that in Rufus three.19, but in the meantime, and as @sudodus https://stepheng555idx9.vigilwiki.com/user