Windows:
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dotnet new console -n test
The template "Console App" was created successfully.
cd test
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dotnet build
MSBuild version 17.5.0+6f08c67f3 for .NET
MSBUILD : error MSB1003: Specify a project or solution file. The current working directory does not contain a project or solution file.
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dotnet publish -c release -r ubuntu.16.04-x64 --self-contained
MSBuild version 17.5.0+6f08c67f3 for .NET
Determining projects to restore...
Restored E:\work\myDotNet\test\test.csproj (in 7.33 sec).
test -> E:\work\myDotNet\test\bin\release\net7.0\ubuntu.20.04-x64\test.dll
test -> E:\work\myDotNet\test\bin\release\net7.0\ubuntu.20.04-x64\publish\
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Open Linux:
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cd ./obj/release/net7.0/ubuntu.20.04-x64/
./test
Hello, World!