Having trouble bringing up news under arc on Windows 10 Home.  D:\arc3.2\arc3.2>racket -f as.scm
  Use (quit) to quit, (tl) to return here after an interrupt.
  arc> (load "news.arc")
  nil
  arc> (nsv)
  The syntax of the command is incorrect.
  The syntax of the command is incorrect.
  The syntax of the command is incorrect.
  The syntax of the command is incorrect.
  'rm' is not recognized as an internal or external command,
  operable program or batch file.
  load items: Error: "directory-list: could not open directory\n  path: 
  D:\\arc3.2\\arc3.2\\arc\\news\\story\\\n  system error: The system cannot find the path specified.; win_err=3"
  arc> (quit)

Also had trouble under MINGW64:
  arc> (nsv)
  The syntax of the command is incorrect.
  The syntax of the command is incorrect.
  The syntax of the command is incorrect.
  The syntax of the command is incorrect.
  rm: cannot remove 'arc/news/story/*.tmp': No such file or directory
  load items: Error: "directory-list: could not open directory\n  path: 
  D:\\arc3.2\\arc3.2\\arc\\news\\story\\\n  system error: The system cannot find the path specified.; win_err=3"I'm thinking this last error might have to do with MING using /d/ instead of D:...
D:\arc3.2\arc3.2>ls arc
'ls' is not recognized as an internal or external command,
operable program or batch file.D:\arc3.2\arc3.2>dir arc
 Volume in drive D is DATA
 Volume Serial Number is EA11-8FE2Directory of D:\arc3.2\arc3.2\arc05/18/2021  07:45 AM              .
05/18/2021  07:45 AM              ..
05/18/2021  07:45 AM                 6 admins
               1 File(s)              6 bytes
               2 Dir(s)  870,471,589,888 bytes free