When a post is hidden, only administrators and moderators can view and manage it.
Tick checkboxes corresponding to posts which you want to hide.
Select on the Action bar, and click Hide from the drop-down menu.
After being hidden, the hidden posts are marked with the 'Post Hidden!' label which cannot be viewed by regular users.
You can show a single or multiple hidden posts at the same time:
The first way
Select hidden posts and click on the Action bar, then click Show from the drop-down menu.
The second way
Click on the Action bar, then select Show from the drop-down menu.
Select hidden posts by ticking their checkboxes.