+.It Fl R, -chroot
+With this option tinc chroots into the directory where network
+config is located (@sysconfdir@/tinc/NETNAME if -n option is used,
+or to the directory specified with -c option) after initialization.
+.It Fl U, -user Ns = Ns Ar USER
+setuid to the specified
+.Ar USER
+after initialization.