You want to install multiple gems at once: rails, puma, and nokogiri. Which command correctly installs all three with a single `gem install` command?

hard📝 Application Q8 of 15

Ruby - Gems and Bundler

You want to install multiple gems at once: rails, puma, and nokogiri. Which command correctly installs all three with a single `gem install` command?

Agem install rails puma nokogiri

Bgem install rails; gem install puma; gem install nokogiri

Cgem install rails,puma,nokogiri

Dgem install rails && puma && nokogiri

Step-by-Step Solution

Solution:

Step 1: Understand gem install multiple gems syntax
You can list multiple gem names separated by spaces after gem install to install them together.
Step 2: Evaluate options
gem install rails puma nokogiri correctly lists gems separated by spaces. gem install rails; gem install puma; gem install nokogiri runs separate commands, not a single invocation. gem install rails,puma,nokogiri uses commas which is invalid. gem install rails && puma && nokogiri uses shell operators incorrectly.
Final Answer:
gem install rails puma nokogiri -> Option A
Quick Check:
Multiple gems install = list names with spaces [OK]

Quick Trick: List multiple gems with spaces after gem install [OK]

Common Mistakes:

Using commas between gem names
Trying shell operators inside gem install
Running separate commands instead of one line

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More Ruby Quizzes

You want to install multiple gems at once: rails, puma, and nokogiri. Which command correctly installs all three with a single `gem install` command?

Step 1: Understand gem install multiple gems syntax

Step 2: Evaluate options

Final Answer:

Quick Check:

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