Where are you trying to type this? Are you looking for superscript?
In Word you can hold the Ctrl + Shift and the + sign to get superscript. Then type -1. To return to normal, repeat the short cut.
Also works in Word Pad.
Personally, I tend to go with what Samsung recommends. Whether or not just unused space has the same effect as unallocated space I can't say. Some say there is no need to have over-provisioning at all but I believe Samsung would not create a utility to set it, if not useful. Just my opinion.
When you say "upload", are you talking about getting a file from the internet and storing it on your computer?
If so, this is called "downloading" and if you go to settings and then advanced (at the very bottom of the settings page) you can set the default location to download files.
What you are seeing in the screen shot is normal. When you select Properties/Hardware Tab for any drive, all connected drives are shown.
The data shown at the bottom under Device Properties will be that of the drive selected within the properties window.
The C: and DVD/CD are not sharing the...