Error 9009 when exit after an invalid command

[josecuevas72]

After executing an invalid command and then execute exit command, it gives this error: [Proceso terminado con el código 9009]

Microsoft Windows [Versión 10.0.19041.329]
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C:\Users\User>lñkjasdf
"lñkjasdf" no se reconoce como un comando interno o externo,
programa o archivo por lotes ejecutable.

C:\Users\User>exit

[proceso terminado con el código 9009]

[DHowett]

Hey there! This is, unfortunately, by design; it's highly conserved across different types of shells (bash, zsh, powershell and CMD all do the same thing) and the behavior of not closing the tab is in line with Ubuntu's terminal: #4223 (comment)