To build the application, just run dotnet build ./src
in the root of the .src folder.
use dotnet ./src/StringCombo/bin/Debug/net6.0/StringCombo.dll "./src/StringCombo/bin/Debug/net6.0/Data/input.txt"
The result will be displayed on console and output file (defaults to "./src/StringCombo/bin/Debug/net6.0/Result/outputxxx.txt") by default