Answer:
B. KDM
Explanation:
The KDE display manager (KDM) was developed for the KDE desktop environment, while the GDM is a display manager for the gnome desktop environment.
The XDM display manager is used by the Linux operating system when a specific desktop environment is not chosen.
Answer:
The end parameter basically prints after all the output objects present in one output statement have been returned. the sep parameter differentiates between the objects.
Explanation:
Hope this helps
https://www.edureka.co/community/53505/difference-between-end-and-sep#:~:text=end%20and%20sep%20are%20optional,parameter%20differentiates%20between%20the%20objects.