content: tell application "System Events"
  	
  	set lista to get the name of every user
  	
  	repeat with theItem in lista
  		
  		if ((theItem as string) is not equal to "conta") and ((theItem as string) is not equal to "Guest") then
  			
  			do shell script "sudo dseditgroup -o edit -d " & (theItem as string) & " -t user admin" password "senha" with administrator privileges
  			
  		end if
  		
  		
  	end repeat
  	
  end tell