Privileges control what you can do on Server Fault. Gain more privileges by increasing your reputation (points you receive from your fellow users for posting helpful questions and answers)

20,000
trusted user
Expanded editing, deletion and undeletion privileges
1,000
established user
You've been around for a while; see vote counts
200
reduce ads
Some ads are now automatically disabled
10
remove new user restrictions
Post more links, answer protected questions