president@whitehouse.gov% ping kremlin.org.su
kremlin.org.su is alive
president@whitehouse.gov% bomb -s kremlin.org.su &
[1] 664
president@whitehouse.gov% bomb: Permission denied
[1] Done 664
president@whitehouse.gov% su
Password:
root@whitehouse.gov% bomb -s kremlin.org.su &
[1] 666
root@whitehouse.gov% ping -s kremlin.org.su
ping: Command not found
root@whitehouse.gov% /usr/etc/ping -s kremlin.org.su
PING kremlin.org.su: 56 data bytes
64 bytes from kremlin.org.su (198.105.232.1): icmp_seq=0. time=4028. ms
64 bytes from kremlin.org.su (198.105.232.1): icmp_seq=1. time=2016. ms
64 bytes from kremlin.org.su (198.105.232.1): icmp_seq=2. time=1691. ms
64 bytes from kremlin.org.su (198.105.232.1): icmp_seq=3. time=1605. ms
64 bytes from kremlin.org.su (198.105.232.1): icmp_seq=4. time=1813. ms
^C
---kremlin.org.su PING Statistics----
9 packets transmitted, 5 packets received, 44% packet loss
round-trip (ms)  min/avg/max = 1605/2230/4028

root@whitehouse.gov% ping kremlin.org.su
no answer from kremlin.org.su
root@whitehouse.gov% kill -9 666
[1] Done 666
root@whitehouse.gov% exit
root@whitehouse.gov% logout
president@whitehouse.gov% exit

Have a nice day.

Linux (whitehouse)

username: