+Rainbow Stream has a config file located at ``~/.rainbow_config.json``.\r
+You can view or set a new value of every config key by ``config`` command (See **Interactive mode** section above).\r
+\r
+- ``THEME``: current theme.\r
+\r
+- ``ASCII_ART``: diplay your twitter name by ascii art at stream begin or not.\r
+\r
+- ``SEARCH_MAX_RECORD``: max tweets can display on 'search' command.\r
+\r
+- ``HOME_TWEET_NUM``: default tweets to display on 'home' command.\r
+\r
+- ``RETWEETS_SHOW_NUM``: default tweets to display on 'allrt' command.\r
+\r
+- ``MESSAGES_DISPLAY``: default messages to display on 'inbox' or 'sent' command.\r
+\r
+- ``TREND_MAX``: default trends to display on 'trend' command.\r
+\r
+- ``LIST_MAX``: default tweets to display on 'list home' command.\r
+\r
+- ``ONLY_LIST``: filter list on 'switch' command.\r
+\r
+- ``IGNORE_LIST``: ignore list on 'switch' command.\r
+\r
+- ``HISTORY_FILENAME``: name of file which stores input history.\r
+\r
+- ``IMAGE_SHIFT``: left and right margin of image in '-iot'/'--image-on-term' mode.\r
+\r
+- ``IMAGE_MAX_HEIGHT``: max height of image in '-iot'/'--image-on-term' mode.\r