brew install tmux: Error: parent directory is world writable but not sticky



It is then re-executed: Brew Install Tmux is installed successfully.
If the download fails sometimes because of the network, you can install it locally.
You can download the download tool and place it in the BREW cache directory (run BREW –cache, usually under /Library/Caches/Homebrew)
It is important to note that the file name is changed to the desired brew name (the file name is all lowercase and the underscore is’ – ‘)
Place the downloaded installation package in the cache directory and reinstall it.

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