title: Can’t run ”gem install bundle’ in git bash terminal
body: <p>I'm new to Web development with Sinatra.  I've been trying to run <strong>bundle install</strong> command in git-bash terminal, but it's says that:</p>
  
  <p><a href="https://i.stack.imgur.com/Zxl0B.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Zxl0B.png" alt="**bash: bundle:** command not found"></a></p>
  
  <p>I've then tried to <strong><em>install bundler</em></strong> but then I'm kept getting this error:</p>
  
  <p><a href="https://i.stack.imgur.com/zYpfB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zYpfB.png" alt="**bash: gem:** command not found"></a></p>
  
  <p>I can't even run gem install bundler command in git-bash terminal. Please tell me what to do ??</p>
  
  <p>I'm working on windows 7 x64bit system. </p>