Ruby 버전 업데이트
Homebrew 설치 $ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" $ brew --version Homebrew 4.1.18 Homebrew/homebrew-core (git revision 58de0d98e4e; last commit 2023-11-03) Homebrew/homebrew-cask (git revisio
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