" I also noticed which i couldn't redirect STDERR without also redirecting STDOUT. The solution the place programA sends STDOUT to STDIN of programB, then redirects STDERR into a log file: programA 2> /var/log/programA.log AkeoAkeo 20611 silver badge44 bronze badges Increase a remark Even in cases where not strictly demanded, https://robertx680abb3.glifeblog.com/profile