Novell LINUX ENTERPRISE SERVER 10 - INSTALLATION AND ADMINISTRATION 11-05-2007 Installation Manual page 374

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killall [options] processname
This command is similar to kill, but uses the process name (instead of the process
ID) as an argument, killing all processes with that name.
Network
ping [options] hostname or IP address
The ping command is the standard tool for testing the basic functionality of TCP/IP
networks. It sends a small data packet to the destination host, requesting an imme-
diate reply. If this works, ping displays a message to that effect, which indicates
that the network link is basically functioning.
-c number
-f
-i value
nslookup
The domain name system resolves domain names to IP addresses. With this tool,
send queries to name servers (DNS servers).
telnet [options] hostname or IP address [port]
Telnet is actually an Internet protocol that enables you to work on remote hosts
across a network. telnet is also the name of a Linux program that uses this protocol
to enable operations on remote computers.
356 Installation and Administration
Sends a KILL signal instead of a TERM signal, bringing the specified process
to an end in almost all cases
Determines the total number of packages to send and ends after they have been
dispatched (by default, there is no limitation set)
flood ping: sends as many data packages as possible; a popular means, reserved
for root, to test networks
Specifies the interval between two data packages in seconds (default: one
second)