From: arne@vajhoej.dk   
      
   On 9/4/2025 10:02 PM, Lawrence D’Oliveiro wrote:   
   > Everybody seems to use “MCR «x»” as a shorthand for “RUN   
   > SYS$SYSTEM:«x»”. (Oh, and I think it allows passing command-line   
   > arguments as well.) Does anybody use any of the other capabilities of   
   > MCR? Does anybody even *know* what they are?   
      
   Most people just use it to avoid defining a symbol   
   for foreign command.   
      
   (no need to use it if RUN will work)   
      
   Can it do anything interesting besides that?   
      
   Arne   
      
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