Sometimes you may want to change some attribute for a number of hosts at once. Instead of opening each individual host for editing, you may use the mass update function for that.
Using mass update
To mass-update some hosts, do the following:
Mark the checkboxes of the hosts to update in the list
Select Mass update from the dropdown below and click on Go
Mark the checkboxes of the attributes to update
Enter new values for the attributes and click on Save