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.
Mathematics. ( 1 of a proof) in strict logical form with a justification for every step. ( 2 of a calculation) correct in form; made with strict justification for every step. ( 3 of a calculation, derivation, representation, or the like) of or relating to manipulation of symbols without regard to their meaning.