On Thu, Dec 19, 2013 at 09:56:36AM -0800, Keith Keller wrote:
You can disable the message with biff n (IIRC). You can also redirect root's (future) mail to a user mailbox by modifying /etc/aliases and running newaliases when done. (That will not do anything with mail already delivered to root.)
man bash; "Shell Variables"
MAILCHECK Specifies how often (in seconds) bash checks for mail. The default is 60 seconds. When it is time to check for mail, the shell does so before displaying the primary prompt. If this variable is unset, or set to a value that is not a number greater than or equal to zero, the shell disables mail checking.
John