Ken,

? program( program( -1 ) - 1 )

Will give you the name of the program that called the current one. program(-1) returns the nesting level of the current program.

>thanks - that works ... but ... is ther any way to tell what nesting level my program is at? If not, with it working the way you've outlined, how to I move "up" a specific number of steps up the call stack? In other words, how can I return to the program "that is 4 level above me" for instance?