Yes, without unlinking, some people are probably going to experience this effect: >brew install tmux Warning: tmux-1.9a already installed Then again: >brew

Yes, without unlinking, some people are probably going to experience this effect: >brew install tmux Warning: tmux-1.9a already installed Then again: >brew unlink tmux Unlinking /usr/local/Cellar/tmux/1.9a... 4 symlinks removed >brew install tmux Warning: tmux-1.9a already installed, it's just not linked