Screenの設定ファイルはこんな感じで

term screen-256color
escape ^Oo
termcapinfo xterm* [ti@:te@]

hardstatus alwayslastline '%{= kG}[ %{G}%H %{g}][%= %{= kw}%?%-Lw%?%{r}(%{W}%t%n*%f%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B} %m-%d %{W}%c %{g}]'

defscrollback 1000

deflog on
logfile '/tmp/screenlog.%H.%Y%m%d-%02c:%s-%n.%t.log'
logtstamp on
logtstamp string "\n-- SCREEN [%Y/%m/%d%02c:%s] %n:%t --\n"

caption always "%-w%10L>%{=b bw}%n %t%{-}%+w%-0="

チートシート： http://www.pixelbeat.org/lkdb/screen.html