What's wrong with Debian?

How is Debian somewhat strange? The Linux Release Technology-Debian information. The following is a detailed description. I have been Ubuntu for a long time. Let's take a look at Debian.
The installation was successful, but at the end of the prompt that the original boot is imported, only my xp is displayed.
Which of the following is my Ubuntu ~
Helpless. Install it first.
After the installation, I saw that the original Ubuntu really couldn't get in, regardless of him, I will change it to grub later.
Wow. The first time I saw such a "gnome ". Myopia .. Increase the font size.
Then go to my Ubuntu partition to find my menu. It seems that you are not authorized enough to open the hard disk.
Sudo mount.
It's a big difference from Ubuntu. it's really his father's generation.
There is also a bras installed in the school (the vpn of our school, the ghost knows why it is called this name). If it is not done, nothing will be installed, and the speed will not feel like it is. I am still very interested In Debian.
Try harder in the future and study with the enthusiastic version