README.md in etc-0.2.1 vs README.md in etc-1.0.0

@@ -1,11 +1,15 @@
 # Etc
 
-Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file `lib/etc`. To experiment with that code, run `bin/console` for an interactive prompt.
+[![Build Status](https://travis-ci.org/ruby/etc.svg?branch=master)](https://travis-ci.org/ruby/etc)
 
-TODO: Delete this and the text above, and describe your gem
+The Etc module provides access to information typically stored in files in the /etc directory on Unix systems.
 
+The information accessible consists of the information found in the `/etc/passwd` and `/etc/group` files, plus information about he system's temporary directory (/tmp) and configuration directory (/etc).
+
+The Etc module provides a more reliable way to access information about the logged in user than environment variables such as +$USER+.
+
 ## Installation
 
 Add this line to your application's Gemfile:
 
 ```ruby
@@ -20,12 +24,23 @@
 
     $ gem install etc
 
 ## Usage
 
-TODO: Write usage instructions here
+```
+require 'etc'
 
+login = Etc.getlogin
+info = Etc.getpwnam(login)
+username = info.gecos.split(/,/).first
+puts "Hello #{username}, I see your login name is #{login}"
+```
+
+Note that the methods provided by this module are not always secure. It should be used for informational purposes, and not for security.
+
+All operations defined in this module are class methods, so that you can include the Etc module into your class.
+
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake test` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
 
 To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
@@ -34,6 +49,6 @@
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/ruby/etc.
 
 ## License
 
-The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).
+The gem is available as open source under the terms of the [2-Clause BSD License](https://opensource.org/licenses/BSD-2-Clause).