payware /pay'weir/ n.
Commercial software. Oppose shareware or freeware.
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PBD /P-B-D/ n.
[abbrev. of `Programmer Brain Damage'] Applied to bug reports
revealing places where the program was obviously broken by an
incompetent or short-sighted programmer. Compare UBD; see also brain-damaged.
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PC-ism /P-C-izm/ n.
A piece of code or coding technique that takes advantage of
the unprotected single-tasking environment in IBM PCs and the
like running DOS, e.g., by busy-waiting on a hardware register,
direct diddling of screen memory, or using hard timing loops.
Compare ill-behaved, vaxism, unixism. Also, `PC-ware' n., a program full of
PC-isms on a machine with a more capable operating system.
Pejorative.
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PD /P-D/ adj.
[common] Abbreviation for `public domain', applied to software
distributed over Usenet and from
Internet archive sites. Much of this software is not in fact
public domain in the legal sense but travels under various
copyrights granting reproduction and use rights to anyone who can
snarf a copy. See copyleft.