[Rails] 1 gem installed

hai i am pretty new to ruby on rails..

when i tried installing rails using the below command line
gem install rails –v=2.3.8 --include-dependencies -- no-ri --no-rdoc
i got a msg as
1 gem installed
instead of 8 geminstalled.

ok the second query is

i was doing a demo project
(http://guides.rubyonrails.org/getting_started.html) from the above
link..
i was following the instructions which was mentioned..i was successful
in creating the folder for the project by using the rails blog command
line..this created a dummy folder called blog...so in the blog folder
the folder named gemfile was not be found...
Also when i tried bundle install---i got the msg as could not locate gem
file.i am presently using ruby 1.8.7 and rails 2.3.8
can any one help me...

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