gem commands usage

--> To install the gems locally download the “.gem” extension files from the www.rubyforge.com website. Go to the gem file where it is located in the harddrive and install the gem by command gem install gemname.gem file.

--> To list the locally installed gems enter gem list command at the command prompt.

--> To access documentation for all the installed gems use the command gem server and start the browser at http://localhost:8808/

--> To display the dependency of the particular gems use the command gem dependency.

--> To display the contents of an installed gems use the command gem contents.

--> To display the help for the gem commands use the gem help.