Synopsis:
   window lastlog [<lines>]

Description:
   Sets the current window's lastlog level to <lines> number of lines.

Examples:
   To only be able to scroll back 50 lines:
      /window lastlog 50

See Also:
   set(4) lastlog, lastlog_level; window(4) level

Other Notes:
   This used to be the default behavior of set(4) lastlog until recently
   when set(4) lastlog was made global.