Do not use the ipmon -a syntax if the ipmon daemon is still running. Normally, the daemon is automatically started during system boot. Issuing the ipmon -a command also opens another copy of ipmon. In such a case, both copies read the same log information, and only one gets a particular log message.
Substitution method is a method of solving a system of equations wherein one of the equations is solved for one variable in terms of the other variables.
Definition of SUBSTITUTION OF ATTORNEY: term that describes one attorney being changed for another attorney during the trying of a case. The Law Dictionary Featuring Black's Law Dictionary Free Online Legal Dictionary 2nd Ed.