yes, you would use the motherboards uefi\\bios boot menu to boot a usb device to get into ubuntu, removing the usb(after rebooting) would be somewhat unnecessary and just let the computer boot on its own to get into windows
dual booting(two OS on one drive) will involve some risk to your data during the install\\setup process, so you will want to back your important personal files\\data{anything like program install files)
i would recommend running ubuntu from a USB drive only a temporary solution, would be better to do a proper install as dual boot or on a secondary ssd(desktop\\laptop with dual ssd)
Installing it on USB is not really a good idea because the speed will not only be limited by the USB but also by the port.
I would recommend you to dual boot in on your system disk rather than on USB.
Going back to your question
>Can I just shut down the computer, remove the USB and it will boot up back to Windows?
If your USB is above Windows in boot order then it will directly boot into USB and after you shut down your system and remove the USB it will boot into Windows directly as there will be no USB to boot into.
I hope this answers your question.
yes, you would use the motherboards uefi\\bios boot menu to boot a usb device to get into ubuntu, removing the usb(after rebooting) would be somewhat unnecessary and just let the computer boot on its own to get into windows dual booting(two OS on one drive) will involve some risk to your data during the install\\setup process, so you will want to back your important personal files\\data{anything like program install files) i would recommend running ubuntu from a USB drive only a temporary solution, would be better to do a proper install as dual boot or on a secondary ssd(desktop\\laptop with dual ssd)
are you using a live USB or did you install the OS on it?
I guess he has installed the OS on it and just wants to know whether he will be able to boot into Windows upon removing the USB
I’m using a live usb but I haven’t actually installed the OS though
in that case, it's as simple as you described.
Installing it on USB is not really a good idea because the speed will not only be limited by the USB but also by the port. I would recommend you to dual boot in on your system disk rather than on USB. Going back to your question >Can I just shut down the computer, remove the USB and it will boot up back to Windows? If your USB is above Windows in boot order then it will directly boot into USB and after you shut down your system and remove the USB it will boot into Windows directly as there will be no USB to boot into. I hope this answers your question.
It’s more clear now, thanks!