wizard n. 1. A person who knows how a complex piece of software or hardware works (that is, who groks it); esp. someone who
can find and fix bugs quickly in an emergency. Someone is a
hacker if he or she has general hacking ability, but is a wizard
with respect to something only if he or she has specific detailed
knowledge of that thing. A good hacker could become a wizard for
something given the time to study it. 2. A person who is permitted
to do things forbidden to ordinary people; one who has wheel
privileges on a system. 3. A UNIX expert, esp. a UNIX systems
programmer. This usage is well enough established that `UNIX
Wizard' is a recognized job title at some corporations and to most
headhunters. See guru, lord high fixer. See also
deep magic, heavy wizardry, incantation, magic,
mutter, rain dance, voodoo programming, {wave adead chicken}
.