Layout of control records :
 
     hh     - hour (00-24, in which 08 is 8am, 15 is 3pm)
     mmm    - month (jan, feb, mar, ... dec)
     dd     - day (01-31)
     yyyy   - year
     cc..cc - command to execute (no "'s, max 63 characters)
 
hh mmm dd yyyy ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
08 Feb 19 1990 REPEATS
17 Mar 29 1990 CHKDSK