 | | If you would like to conduct this examination on your own, the Berkeley 4.4BSD Lite operating system distribution is widely available on the Internet. It contains the full source code to a number of commonly used UNIX network programs, including ping, rlogin, rsh, telnet, ftp, tftp, routed, and named. Source code for the Linux, 386BSD, and FreeBSD operating systems is also available on the Internet; these operating systems are based, at least in part, on the Berkeley code, and also make good reference sources. | |
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