SOS -- Stan's Own Server: An NFS (Network File System) file server for the IBM PC
See-Mong Tan, Harvard H. Holmes, C. Eades · 1988
SOS is a file server written to run on the IBM PC or compatibles. It conforms to Sun Microsystem's Network File System (NFS) protocol version 2. This paper discusses the SOS implementation and includes notes on portability, for programmers who wish to understand or modify it.