How do I download Ubuntu for another computer, that has no internet access?

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http://askubuntu.com – Will the entire Ubuntu software fit onto a single CD? If I download Ubuntu to a CD, for use on another computer, will it automatically install/partially install on the computer I use for the download? If alternative measures must be taken to prevent installation on the "host computer", what steps must be taken, since I DO have ACCESS, but DO NOT have PERMISSION to download to the "host computer"? Thank you in advance, for your time and effort. Shelly (HowTos)