" I also seen that I couldn't redirect STDERR without also redirecting STDOUT. The solution where programA sends STDOUT to STDIN of programB, then redirects STDERR to the log file: programA two> /var/log/programA.log We will include a workaround for that in Rufus 3.19, but in the meantime, and as @sudodus https://andrewa063bwq4.dailyblogzz.com/profile