How-to-check-version-of-ruby-gem

How To Shows Your Locally Installed Ruby Gems In Microsoft Windows

1. open Command Prompt.
2. type  gem list --local
3. press Enter on keyboard.

Sample Output

Viewing Locally Installed Ruby Gem:

You can view the documentation for your installed gems with ri:

1. open Command Prompt.
2. type  ri Zlib
3. press Enter on keyboard.

Notes: 

• For Ruby Gem CLI ( Command Line Interface ) documentation, type: gem --help
• Ruby command parameter is case sensitive

< to learn about check ruby version, click How To Check Your Ruby Version

Bibliography

https://guides.rubygems.org/

https://www.ruby-lang.org/

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