<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>raldu</author><text>I do not get the idea of buying a &amp;quot;book&amp;quot; to learn a *nix utility that explains itself in a single man page when all you need to learn is just a few keyboard shortcuts.&lt;p&gt;Obsessively focusing on the tool does not magically improve productivity.</text><parent_chain><item><author>oostevo</author><text>If you&amp;#x27;re willing to spend $14 for a more detailed tutorial, I&amp;#x27;d strongly recommend _ tmux: Productive Mouse-Free Development_ from The Pragmatic Bookshelf.&lt;p&gt;It goes through common use cases, common customizations, and pair programming.&lt;p&gt;&lt;a href=&quot;http://pragprog.com/book/bhtmux/tmux&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;pragprog.com&amp;#x2F;book&amp;#x2F;bhtmux&amp;#x2F;tmux&lt;/a&gt;</text></item></parent_chain></comment><story><title>A Tmux Crash Course (2011)</title><url>http://robots.thoughtbot.com/post/2641409235/a-tmux-crash-course/#</url><text></text></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>dsissitka</author><text>The Kindle version is only $7.20:&lt;p&gt;&lt;a href=&quot;http://www.amazon.com/tmux-Productive-Mouse-Free-Development-ebook/dp/B00A4I3ZVY&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.amazon.com&amp;#x2F;tmux-Productive-Mouse-Free-Development...&lt;/a&gt;</text><parent_chain><item><author>oostevo</author><text>If you&amp;#x27;re willing to spend $14 for a more detailed tutorial, I&amp;#x27;d strongly recommend _ tmux: Productive Mouse-Free Development_ from The Pragmatic Bookshelf.&lt;p&gt;It goes through common use cases, common customizations, and pair programming.&lt;p&gt;&lt;a href=&quot;http://pragprog.com/book/bhtmux/tmux&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;pragprog.com&amp;#x2F;book&amp;#x2F;bhtmux&amp;#x2F;tmux&lt;/a&gt;</text></item></parent_chain></comment><story><title>A Tmux Crash Course (2011)</title><url>http://robots.thoughtbot.com/post/2641409235/a-tmux-crash-course/#</url><text></text></story>