There are plenty of things you can do with your Dock, namely:
- Change position of Dock
- Add an Application to Dock
- Remove an Application from Dock
- Using Stacks
- Other Dock Hacks
When you do these options – you’re essentially personalizing Dock settings and deviating from factory default. If you end up doing too much and realize that you’ve overdone and want to return back to original factory settings – you’ll be surprised that there isn’t a button (common in PC) that says – restore to original or restore to factory default.
Though there is a way to restore Dock settings to original:
delete the files com.apple.dock.plist and com.apple.dock.db from homedirectory/Library/Preferences and restart Dock.
To restart Dock enter the following command in terminal: