Material regarding Sharepoint 2010 administration

Hi all,
      I have  learnt ASP.Net,ADO.NET,C# and currently working as a developer with 6 month experience,but my current job role says i have to learn "Sharepoint administration".i knew its difficult to get it in a overnight,but please help me the tutorials on how to start with it.i have googled a lot, but i didn't find anything appropriate.please help me guys.
Regards,
Sivapratap.