TCP/IP Utilities

This chapter contains the TCP/IP utilities and configuration files. To find a utility or configuration file quickly, you can look through the:

List of utilities - shows the utility name and a brief description
List of configuration files - shows the configuration file and a brief description
Client utilities and server processes at a glance - shows related client utilities and server processes

All references to functions in this chapter are to the TCP/IP Programmer's Guide unless indicated otherwise.

List of utilities

Utility	Summary
`arp`	Address resolution display and control
`bootpd`	Internet boot protocol server
`dhcp.client`	TCP/IP host configuration utility
`Dns`	Client DNS proxy
`ds`	Data server
`ftp`	ARPANET file transfer program
`ftpd`	DARPA Internet file transfer protocol daemon
`hostname`	Set or print name of current host system
`ifconfig`	Configure network interface parameters
`if_up`	Ensure a TCP/IP interface is available
`inetd`	Internet super-user
`lpd`	Line printer spooler daemon
`lpr`	Remote printing utility
`lprc`	Line printer control utility
`lprq`	Spool queue examination utility
`lprrm`	Remove jobs from the line printer spooling queue
`mailq`	Print the mail queue
`mount_nfs`	Mount an NFS filesystem
`mountd`	Service remote NFS mount requests
`mstrip`	Strip MIB modules from an RFC
`named`	Internet domain name server
`named-bootconf`	Convert a BIND 4 `named.boot` to a BIND 8 `named.conf`
`named-xfer`	Ancillary agent for inbound zone transfers
`netstat`	Show network status
`newaliases`	Rebuild the database for the mail aliases file
`nfsd`	NFS server daemon
`nfsstat`	Display NFS statistics
`nslookup`	Query Internet name servers interactively
`pcnfsd`	Unix authenticator for NFS
`ping`	Send ICMP ECHO_REQUEST packets to network hosts
`popper`	POP3 server
`portmap`	Map RPC program/version numbers to TCP and UDP port numbers
`pppd`	Point-to-point protocol daemon
`rcp`	Remote file copy
`rexecd`	Remote execution server
`rftp`	SOCKS client versions of `ftp` and `telnet`
`rlogin`	Remote login
`rlogind`	Remote login daemon
`rmail`	Handle reception of remote mail
`route`	Manually manipulate the routing tables
`routed`	Network routing daemon
`rpcgen`	An RPC protocol compiler
`rpcinfo`	Report RPC information
`rsh`	Remote shell
`rshd`	Remote shell daemon
`rtelnet`	SOCKS client versions of `ftp` and `telnet`
`ruptime`	Show host status of local machines
`rwho`	Who is logged in on local machines
`rwhod`	System status daemon
`sendmail`	Send mail over the Internet
`showmount`	Show remote NFS mounts on host
`slattach`	Attach serial lines as network interfaces
`slinger`	Tiny webserver
`sliplogin`	Attach a serial line network interface
`smic`	MIB compiler
`smtpd`	Simple Mail Transfer Protocol daemon
`snmpbulkwalk`	Query for a tree of information about a network entity
`snmpd`	SNMP agent daemon
`snmpget`	Communicate with a network entity using SNMP GET requests
`snmpgetnext`	Comunicate with a network entity using SNMP GET NEXT requests
`snmpnetstat`	Show network status using SNMP
`snmpset`	Communicate with a network entity using SNMP SET requests
`snmpstatus`	Retrieve information from a network entity
`snmptest`	Monitor and manage information on a network entity
`snmptranslate`	Get the dot notation of an object ID from the symbolic name or vice versa
`snmptrap`	Send an SNMP TRAP message to a host
`snmptrapd`	Receive SNMP TRAP messages
`snmpwalk`	Query for a tree of information about a network entity
`Socket`	Socket manager
`Socklet`	Socket manager
`Sockppp`	Socket manager
`telnet`	User interface to the TELNET protocol
`telnetd`	DARPA TELNET protocol daemon
`tftp`	Trivial file transfer program
`tftpd`	DARPA trivial file transfer program
`tn3270`	Full-screen remote login to IBM VM/CMS
`traceroute`	Print the route packets take to network host

List of configuration files

The entries for configuration files are sorted by their simple filenames, not their fullpaths. For example, /etc/hosts is sorted by ``h'', not by ``e.''

Configuration file	Summary
`acl.conf`	Specify permitted operations on a defined SNMP context
`aliases`	Aliases file for `sendmail`
`bootptab`	Configuration file for `bootpd`
`context.conf`	Context definitions for SNMPv2
`exports`	Define remote mount points for NFS mount requests
`ftpusers`	Deny FTP access
`hosts`	Hostname database
`hosts.equiv`	Specify trusted remote hosts and users
`inetd.conf`	Configuration file for `inetd`
`map3270`	Database for mapping ASCII keystrokes into IBM 3270 keys
`mib.txt`	Format for specifying variable names for SNMP utilities
`named.conf`	Configuration file for `named`
`netstart`	Start TCP/IP services
`networks`	Network name database
`nfsstart`	Start NFS server daemons
`party.conf`	Configuration file for SNMPv2 party definitions
`printcap`	Printer capability database
`protocols`	Protocol name database
`resolv.conf`	Resolver configuration file
`~/.rhosts`	Specify trusted remote users
`rpc`	RPC program number database
`sendmail.cf`	Configuration file for `sendmail`
`services`	Service name database
`snmpd.conf`	SNMP agent docs
`socks.conf`	SOCKS clients configuration file
`view.conf`	View definitions for SNMPv2

Client utilities and server processes at a glance

The following table summarizes the TCP/IP client utilities and server processes.

When you want to:	Use these client utilities:	Use these server processes:
Transfer files interactively	`ftp` `rftp` `tftp` `rcp`	`ftpd` `tftpd` `rcpd`
Create a shell on a remote host	`telnet` `rlogin` `rtelnet` `rsh` `tn3270`	`telnetd` `rlogind` `rshd`
Send/Receive mail	`sendmail` `newaliases` `mailq` `rmail`	`sendmail` `smtpd` `popper`
Configure/query network interface parameters	`hostname` `ifconfig` `arp` `netstat` `ping` `traceroute`	`Socket` `Socklet` `Sockppp`
Configure/query routing tables	`netstat` `route`	`routed`
Do name serving	`nslookup` `named-bootconf`	`named` `named-xfer`
Do PPP networking	`pppd`	`pppd`
Do SLIP networking	`slattach` `sliplogin`	`Socket` `Socklet`
Do NFS	`mount_nfs` `mount` `nfsstat` `showmount`	`portmap` `mountd` `nfsd` `pcnfsd`
Autostart daemons		`inetd`
Boot remote hosts via non-QNX protocol (for QNX protocol, see `netboot`)	`dhcp.client`	`bootpd`
Manage your network remotely via SNMP	`mstrip` `smic` `snmpbulkwalk` `snmpget` `snmpgetnext` `snmpnetstat` `snmpset` `snmpstatus` `snmptest` `snmptranslate` `snmptrap` `snmpwalk`	`snmpd` `snmptrapd`
Do RPC	`rpcgen` `rpcinfo`	`portmap`
Get status of remote machines	`ruptime` `rwho`	`rwhod`
Do remote printing	`lpr` `lprc` `lprq` `lprrm`	`lpd`
Support remote execution		`rexecd`
Serve HTML		`ds` `slinger`