argv is the conventional name for the second parameter to
main(int argc, char *argv), which holds the argument vector (the first parameter is its size). The first element
argv is the name of the program, followed by the arguments passed in. So
argv is roughly the list of arguments as it appears on the command line -- if there is such. Some misguided people, no doubt unwitting pawns of Redmond, claim
argv stands for argument values. Such a claim is ridiculous.
Perl holds the argument vector in the array
@ARGV. However, the program name is eliminated from there, and lives in
$ARGV really represents C's
ARGV is the name of the filehandle which iterates over all files named in
<> is really
$ARGV is the name of the file at which the
ARGV filehandle is currently looking.