On 11/22/19 2:36 PM, Al Kossow via cctalk wrote:
 On 11/22/19 11:16 AM, Chris Zach via cctalk wrote:
  That
 could be a problem if I want to re-load Cobol 81 onto this RSTS/E system. 
 weren't RL01s usable in an RL02?
  
No for RL.  You, maybe thinking RX01/02 interchangeability.