http://l3tczdiiwoo63iwxty4lhs6p7eaxop5micbn7vbliydgv63x5zrrrfyd.onion/man-page/privoxy-man-page.html
On some
systems this reduces the number of files that must be copied into the chroot tree. −−user user[.group] After (optionally) writing the PID file, assume the user ID of user and the GID of group , or, if the optional group was not given, the default group of user .