As turnstep already pointed out QUERY_STRING is just an environment variable. 
bash $ ( export QUERY_STRING="foo=bar&baz=foo+bar"; perl x.pl)
tcsh $ (set QUERY_STRING="foo=bar&baz=foo+bar"; perl x.pl)

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to see a list of all Environment variables available to your script you might want to try the following in as a cgi-script: 
#!/usr/bin/perl
$\="\n"; $,="=";
print "Content-Type: text/plain\n";
map{print $_, $ENV{$_} } keys %ENV;

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In reply to Re: command prompt help by zodiac
in thread command prompt help by zdog

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