Directory of AI:MID;
at ctl atsign mid atsign rel cmu mac crtsty mid decbts mid decdfs mid dtx exe dtx mac dtx mem edit mid fasdfs mid getmid mid iddt mac lisp exe lisp mid lisp rel midas mid olddfs mid sort mid srccom mid straux mid system mid teco mid tnxdfs mid tsrtns mid twxbts mid