determine whether a connection to a given machine is up or not.
In FreeBSD 2.0 (and therefore, I assume, BSD 4.4) the exit code of ping
is always zero, even if no packets were received.
I would like to propose the following change to /usr/src/sbin/ping/ping.c
to restore this useful behaviour:
Submitted by: Denis Fortin
Print out summary information on receipt of SIGINFO; also, stop the
kernel printing of information and restore it on exit. Now, it needs
an option to be quiet. ;)
