Search Records script

So, I would like to create a simple Search tool on one form, upon user input of a name, records containing that name will be fetched. Problem is, I don't know script. I've tried the fetch on user input etc. but it's just not working out. If it is possible, I would also like those records to be updated automatically (multiple users inputting information- in real time update on all computers) Is any of that possible? and if so, how?