Install apps and trigger custom scripts during a fresh Mac boot

I am trying to figure out how to run a dotnet service after my MacOS startup. On Windows, I can install the NSSM to run the script as a service.

In System Preferences->Users & Groups, click Login Items and add your script. Show more Less. (2).

The cleanest way to run any program or shell script at login time is described in @trisweb's answer, unless, you want interactivity.

Im trying to add a LaunchDeamon on MacOS that is executed on startup. I made a .sh script which works on direct execution. Its located at /usr/local/libexec/ ...

To run a command on start up on OS X, you need to use launchd. If you don't want to use Lingon, you need to create a launchd Property List.

The launchd process is used by macOS to manage daemons and agents, and you can use it to run your shell scripts.

The shell startup scripts for Mac are simply completely different from Ubuntu, despite both of them being Unix-based.

Learn how to create and run startup scripts on macOS using Cron. Step-by-step guide for automating tasks at boot with shell scripting and ...

Learn how to use the Automator app and launchd to control automated startup and login actions on macOS.

Open your script in Script Editor, and save a copy as an applet. Use File > Export, and export it as an application. Leave Show Startup Screen, ...