GNU bug report logs - #70602
Add hooks to control *Shell Command Output*

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From: Dan Jacobson <jidanni@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: Add hooks to control *Shell Command Output*
References: <87le506i07.n.fsf@HIDDEN> <86jzkkz9f2.fsf@HIDDEN>
 <ZiuJrLiF5wMDQqTm@HIDDEN> <86bk5wz8a6.fsf@HIDDEN>
 <8734r7b73v.5.fsf@HIDDEN> <86zftfw841.fsf@HIDDEN>
Date: Sat, 27 Apr 2024 16:15:01 +0800
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M-! (translated from <escape> !) runs the command shell-command (found
in global-map), which is an interactive native-compiled Lisp function
in ‘simple.el’.

There are no hooks available to make the buffer it creates be in View Mode.

One cannot even, via .emacs, make it read-only.