find-process: 查找进程

 Usage: find-process [options] <keyword>
  Options:
    -V, --version      output the version number
    -t, --type <type>  find process by keyword type (pid|port|name)
    -p, --port         find process by port
    -h, --help         output usage information
  Examples:
    $ find-process node          # find by name "node"
    $ find-process 111           # find by pid "111"
    $ find-process -p 80         # find by port "80"
    $ find-process -t port 80    # find by port "80"