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新しく勉強を始める際に必要な仮想環境の設定

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1.新しく学習を始める言語やセクションについてのディレクトリを作成する

$ 2.mkdir ディレクトリ名

3.Railsのインストールが必要

Railsがインストールされていないと、consoleが使えないので。

$ gem install rails --no-document

4.Railsを用いた新しいappを作成する

$ rails new アプリ名

5.アプリのディレクトリに移動する

$ cd アプリ名

6.consoleを起動する

$ rails console
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