[1] UNIX is a registered trademark of USL in the USA and some other countries.
[2] References of the form X(Y) mean the entry named X in section Y of the ``UNIX Programmer's Manual''.
[3] You can thank System V intransigence and POSIX duplicity for requiring that 512-byte blocks be the units that programs report.
[4] The defaults are to set interleave to 1 and npsect to nsect. This is correct on most drives; it affects only performance (usually virtually unmeasurably).
[5] Ethernet is a trademark of the Xerox Corporation.
[6] If you are unfamiliar with the Internet addressing structure, consult ``Address Mappings'', Internet RFC-796, J. Postel; available from the Internet Network Information Center at SRI.