messages - record of recent console messages
/etc/messages
The default behavior of the filer syslogd daemon (see na_syslogd(8)) is to print all logging messages of priority info or higher to the console, and to the messages file. A typical message is:
Fri Dec 6 09:16:57 PST 1996 [rc]: NetApp Release 4.0 boot complete.
Every Saturday at 24:00, /etc/messages is moved to /etc/messages.0, /etc/messages.0 is moved to /etc/messages.1, and so on. Message files are saved for a total of six weeks.
na_syslogd(8)
, na_syslog.conf(5)