D:\Apache2\bin>ab
ab: wrong number of arguments
Usage: ab [options] [http://]hostname[:port]/path
Options are:
??? -n requests???? Number of requests to perform
??? -c concurrency? Number of multiple requests to make
??? -t timelimit??? Seconds to max. wait for responses
??? -p postfile???? File containing data to POST
??? -T content-type Content-type header for POSTing
??? -v verbosity??? How much troubleshooting info to print
??? -w????????????? Print out results in HTML tables
??? -i????????????? Use HEAD instead of GET
??? -x attributes?? String to insert as table attributes
??? -y attributes?? String to insert as tr attributes
??? -z attributes? ?String to insert as td or th attributes
??? -C attribute??? Add cookie, eg. 'Apache=1234. (repeatable)
??? -H attribute??? Add Arbitrary header line, eg. 'Accept-Encoding: gzip'
??????????????????? Inserted after all normal header lines. (repeatable)
??? -A attribute??? Add Basic WWW Authentication, the attributes
??????????????????? are a colon separated username and password.
??? -P attribute??? Add Basic Proxy Authentication, the attributes
??????????????????? are a colon separated username and password.
??? -X proxy:port?? Proxyserver and port number to use
??? -V????????????? Print version number and exit
??? -k????????????? Use HTTP KeepAlive feature
??? -d????????????? Do not show percentiles served table.
??? -S????????????? Do not show confidence estimators and warnings.
??? -g filename???? Output collected data to gnuplot format file.
??? -e filename???? Output CSV file with percentages served
??? -h????????????? Display usage information (this message)
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