3.1 3.11 a: b: c: C++ CLIENT/SERVER d: FAT16 FAT32 I/O input/output M/B moderator/demoderator OS/2 peer-to-peer POP1 POP2 POP3 PS/2 TCP/IP à: ñ: ñè++ ÑÈ++ áèò/ñ Unix-to-Unix terminate-and-stay
