­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ #!/bin/bash if [ "$1" != "" ] then netstat -tapn |grep :$1 |awk {'print $5'} | cut -d : -f1 |sort| uniq -c |sort -n else echo "Usage portchk " fi