#!/bin/sh# cgi1.sh# A simple script for showing environment variable information passed to a CGI program.# We start the output to the browser with the two lines that we were given above.echo Content-type: text/plainecho# Next, we want to display the arguments.echo argv is "$*".echo# Then we show the environment variables under which the CGI request was made.echo SERVER_SOFTWARE=$SERVER_SOFTWAREecho SERVER_NAME=$SERVER_NAMEecho GATEWAY_INTERFACE=$GATEWAY_INTERFACEecho SERVER_PROTOCOL=$SERVER_PROTOCOLecho SERVER_PORT=$SERVER_PORTecho REQUEST_METHOD=$REQUEST_METHODecho PATH_INFO=$PATH_INFOecho PATH_TRANSLATED=$PATH_TRANSLATEDecho SCRIPT_NAME=$SCRIPT_NAMEecho REMOTE_HOST=$REMOTE_HOSTecho REMOTE_ADDR=$REMOTE_ADDRecho REMOTE_IDENT=$REMOTE_IDENTecho QUERY_STRING=$QUERY_STRINGecho CONTENT_TYPE=$CONTENT_TYPEecho CONTENT_LENGTH=$CONTENT_LENGTH    exit 0