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Is Ctrl+D really like Enter?
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this post was submitted on 30 Mar 2025
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I often exit a shell with ctrl+d. And I often see if a shell is still connected by pressing enter. They are definitely not equivalent.
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Let's say it together: No, it isn't
Betteridge strikes again
Describing the outcomes in terms of functions over shell states, as you have, is the quickest and most transparent way of demonstrating that they aren't the same.
The article was a fun "scenic route" to the same conclusion, though.