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- To share a dataset, locate the dataset by browsing thru data catalog and click on sharing option in menu bar.
- Lock icon --> Private.
- Globe icon --> Public.
- People icon–>Shared to others
2. By selecting 'Sharing options' it allows to share dataset by two possible way.
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Note: Click "Notify People "option in case if you want people to get notification by email.
Sharing dataset to people by email ids
- To share dataset to others by email, use the option Invite people via e-mail like shown below.
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and click Apply (as shown below). 
Dataset view & options by different access level of sharing
Based on the access level provided at the time of sharing, users can see different set of menu within that particular dataset. Below screen shot will give an idea of what users sees with different access level.
Read (or View) access level
User with read access can only view the dataset. No modifications can be made to the original data. But they can build dashboard using the dataset. 
Edit (or Modify) access level
Users with Edit access level can make changes to a dataset. They can add/modify more data to an dataset. They can build dashboard using the dataset. But, they cannot share the dataset to others. 
Full Control access level
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- Add/modify dataset with more data.
- Share dataset to others.
- Make dataset to Public/Private.
- Edit/modify dataset metadata.
- Delete dataset.
