Was mentioned the /etc/systemd/logind.conf file and in other network the /etc/systemd/sleep.conf file. As you can see both have the same location: The /etc/systemd/ directory
Reasons of this post
The /etc/systemd/ directory have more files
The systemd term appears
Goal
I want understand very well how each file works based in detail in their configurations settings
As mentioned, because the systemd term appears the most obvious point is the project’s home at: