On Wed, Feb 26, 2025 at 02:28 AM, Stefan Haubenthal wrote:

Enter any valid REXX instruction... type EXIT to quit.
Rexxtry;
''
DMSITP143T PROTECTION EXCEPTION OCCURRED AT F20A02 IN SYSTEM ROUTINE EXEC, RE-IPL CMS.
CP ENTERED; DISABLED WAIT PSW '00020000 40F8B75E'

Similar to this is the following.This is the beta bREXX Ross made avaialble.

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l rexx * * ( date
Filename Filetype Fm ?Format ? ?Recs Blocks ? ? Date ? ?Time
REXX ? ? TEXT ? ? E1 ?F ? ?80 ? ?131 ? ? 14 ?01/19/25 ? 20:52
REXX ? ? C ? ? ? ?F1 ?V ? ?98 ? ?477 ? ? 19 ?01/19/25 ? 20:49
REXX ? ? H ? ? ? ?F1 ?V ? ?74 ? ?236 ? ? ?8 ?01/19/25 ? 20:49
REXX ? ? HELPCMD ?F1 ?V ? ?78 ? ? ?9 ? ? ?1 ?01/19/25 ? 20:49
REXX ? ? HELP$CM ?U2 ?V ? ?78 ? ?125 ? ? ?5 ?07/06/22 ? 21:44
REXX ? ? HELPCMD ?U2 ?V ? ?78 ? ? ?9 ? ? ?1 ?01/19/25 ? 20:49
Ready; T=0.01/0.01 10:05:32

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I pressed the Enter key two more times after typing:? empty Enter

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IPL CMS
VM Community Edition V1 R1.2

Y (19E) R/O
U (19D) R/O
B (5E5) R/O
Ready; T=0.01/0.01 09:56:04
type empty exec a
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/* */
''
?
Ready; T=0.01/0.01 09:56:09
empty
?
DMSITP143T PROTECTION EXCEPTION OCCURRED AT F20A02 IN SYSTEM ROUTINE EXEC, RE-IP
L CMS.
CP ENTERED; DISABLED WAIT PSW '00020000 40F8B75E'

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?... Mark S.