With `caption` `screen` changes terminal icon name.
# display window number, flags and title
# for inactive windows - black on yellow (brown)
# for active window - black on green
-hardstatus alwayslastline
-hardstatus string "%{= yk}%-w%{= gk}%n%f %t%{-}%+w %-="
+#hardstatus alwayslastline
+#hardstatus string "%{= yk}%-w%{= gk}%n%f %t%{-}%+w %-="
+
+caption always "%{= yk}%-w%{= gk}%n%f %t%{-}%+w %-="
# set these terminals up to be 'optimal' instead of vt100
termcapinfo xterm*|rxvt*|linux*|Eterm* OP