Enable color prompt in screen

.bashrc

@@ -39,7 +39,7 @@ HISTTIMEFORMAT='%F %T '
 
 # set PS1
 case "$TERM" in
-	xterm-color|*-256color) color_prompt=yes;;
+	xterm-color|*-256color|screen) color_prompt=yes;;
 esac
 if [ "$color_prompt" = yes ]; then
 	PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '