statement/TRON statement/TRON NAME TRON -- Turns trace mode on ABBREVIATION tr <shift> O SYNOPSIS TRON FUNCTION TRON is used in program debugging. This statement begins trace mode. When you are in trace mode, as each statement executes, the line number of that statement is printed. INPUTS None RESULT Begins the trace mode. EXAMPLES None NOTES None BUGS None SEE ALSO TROFF