'Command not recognized in Flutter/Dart

I am trying to clean and rebuild Gradle, as I am stuck on:

Running Gradle task 'assembleDebug'...

Yet when trying to use the command ./gradlew clean, it gives the following error.

C:\Users\Unused\Desktop\Flutter\all\android>'.' is not recognized as an internal or 
external command, ''.'' is not recognized as an internal or external command, operable 
program or batch file.

What am I missing?



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