Operating System and Administration Presentations

Almost all of the presentations given by : Mrs Rekha A Kulkarni
 download the link below and go thorough all the books manuals and presentations she has to offer 

https://docs.google.com/file/d/0BxZLLe3YK34xYWx6LWRVMjdXNHc/edit?usp=sharing

P.S. she does not know ...keep it that way