7.70 track

&track  
    long center_on_orbit = 0;  
    long center_momentum_also = 1;  
    long offset_by_orbit = 0;  
    long offset_momentum_also = 1;  
    long soft_failure = 1;  
    long stop_tracking_particle_limit = -1;  
    long check_beam_structure = 0;  
    STRING interrupt_file = "%s.interrupt";  
&end

There are also several deprecated parameters:

tune_shift_with_amplitude