More powerful computers are being developed, but these new computers often came with little else but the hardware -- at times leaving researchers to develop their own operating systems. Timesharing (the sharing of computer use by multiple simultaneous users) was developed for CRAYs in such a manner. NSFnet (which would grow to become today's internet) was growing from regional networks established by NSF. With networking clearly becoming a vital part of scientific computing, DOE researchers developed a common file system, allowing remote computers to share access to storage resources.