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Disable resizing of the macOS dock
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| defaults write com.apple.dock size-immutable -bool true; killall Dock |
Another useful setting is to lock the icon sizes, so that the Dock is always the same height:
defaults write com.apple.dock tilesize -int 60; killall Dock
update for 2020:
defaults write com.apple.dock size-immutable -bool true; killall Dock
how do I undo this
Author
@Supaflowin
defaults write com.apple.dock size-immutable -bool false; killall Dock
OMG THANK YOU
Author
@swoondrones This doesn't lock the length of the dock (if you add/remove apps of course the dock size will change). This command prevents the actual icon sizes in the dock to change and prevent accidental size change by grabbing the dock divider.
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I realized this after I commented. BUT, I also figured out if you
[x] Minimize windows into application icon, it does what I've been looking for for ages :)