Add some common config file examples to the quick start section.

tmux.1

@@ -189,6 +189,43 @@ lists the current key bindings in the current window; up and down may be used
 to navigate the list or
 .Ql q
 to exit from it.
+.Pp
+Commands to be run when the
+.Nm
+server is started may be placed in the
+.Pa ~/.tmux.conf 
+configuration file.
+Common examples include:
+.Bl -ohang -width Ds
+.It Changing the default prefix key:
+.Bd -literal -offset indent
+set-option -g prefix C-a
+unbind-key C-b
+bind-key C-a send-prefix
+.Ed
+.Pp
+.It Xo
+Turning the status line off, or changing its colour:
+.Xc
+.Bd -literal -offset indent
+set-option -g status off
+set-option -g status-bg blue
+.Ed
+.Pp
+.It Xo
+Setting other options, such as the default command, or locking after 30 minutes 
+of inactivity:
+.Xc
+.Bd -literal -offset indent
+set-option -g default-command "exec /bin/ksh"
+set-option -g lock-after-time 1800
+.Ed
+.It Creating new key bindings:
+.Bd -literal -offset indent
+bind-key b set-option status
+bind-key / command-prompt "split-window 'exec man %%'"
+.Ed
+.El
 .Sh KEY BINDINGS
 .Nm
 may be controlled from an attached client by using a key combination of a