intro(4) intro: introduction to special files and hardware support. netintro(4) networking: introduction to networking facilities. autoconf(4) autoconf: diagnostics from the autoconfiguration code. bwtwo(4) bwtwo: monochromatic frame buffer. cgthree(4) cgthree: 8-bit color frame buffer. clnp(4) clnp: Connectionless-Mode Network Protocol. cltp(4) cltp: ISO Connectionless Transport Protocol. cons(4) cons: HP300 console interface. ct(4) \&ct: CS/80 cartridge tape interface. dca(4) dca: HP 98644A communications interface. dcl(4) dcl: HP 98628A communications link. dcm(4) dcm: HP 98642A communications multiplexer. drum(4) drum: paging device. dv(4) dv: HP98730 ``DaVinci'' device interface. esis(4) es-is: End System to Intermediate System Routing Protocol. euc(4) EUC: EUC encoding of runes. fd(4) fd, stdin, stdout, stderr: file descriptor files. gb(4) gb: HP98700 ``Gatorbox'' device interface. grf(4) grf: HP graphics frame buffer device interface. hil(4) hil: Human Interface Link device driver. icmp(4) icmp: Internet Control Message Protocol. idp(4) idp: Xerox Internet Datagram Protocol. inet(4) inet: Internet protocol family. ip(4) ip: Internet Protocol. iso(4) iso: ISO protocol family. ite(4) ite: HP Internal Terminal Emulator. le(4) le: HP AMD 7990 LANCE Ethernet interface. le(4) le: AMD 7990 LANCE ethernet interface. lo(4) lo: software loopback network interface. mem(4) mem, kmem: main memory. ns(4) ns: Xerox Network Systems(tm) protocol family. nsip(4) nsip: software network interface encapsulating NS packets in IP packets. null(4) null: the null device. openprom(4) openprom: OPENPROM and EEPROM interface. ppi(4) ppi: HP-IB printer/plotter interface. pty(4) pty: pseudo terminal driver. rb(4) rb: HP98720 ``Renaissance'' device interface. rd(4) rd: CS/80 disk interface. route(4) route: kernel packet forwarding database. spp(4) spp: Xerox Sequenced Packet Protocol. st(4) \&st: CCS SCSI tape driver. tc(4) \&tc: HP98544 98550 ``Topcat'' and ``Catseye'' device interface. tcp(4) tcp: Internet Transmission Control Protocol. termios(4) termios: general terminal line discipline. tp(4) TP: ISO Transport Protocol. tty(4) tty: general terminal interface. udp(4) udp: Internet User Datagram Protocol. unix(4) unix: UNIX-domain protocol family. utf2(4) UTF2: Universal character set Transformation Format encoding of runes.