Your FAQ will depend upon your control panel, your features you offer to your clients, An Ensim and Cpanel FAQ will be totally different. Cpanel has a zip of their Docs at: http://www.cpanel.net/docs.htm
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Thats kinda like a pre-made biography isnt it? lol,, Maybe the best way would be to look at other hosting companies and ask for permission to use theres if they offer a similar service,panel, etc.. and maybe use more than one and combine and take out parts, etc.