In the following, we describe the purpose of the expected httpc command options:
  1. Option -v enables a verbose output from the command-line. Verbosity could be useful
  for testing and debugging stages where you need more information to do so. You
  define the format of the output. However, You are expected to print all the status, and
  its headers, then the contents of the response.

  2. URL determines the targeted HTTP server. It could contain parameters of the HTTP
  operation. For example, the URL 'https://www.google.ca/?q=hello+world' includes the
  parameter q with "hello world" value.
  
  3. To pass the headers value to your HTTP operation, you could use -h option. The latter
  means setting the header of the request in the format "key: value." Notice that; you can
  have multiple headers by having the -h option before each header parameter.

  4. -d gives the user the possibility to associate the body of the HTTP Request with the
  inline data, meaning a set of characters for standard input.

  5. Similarly to -d, -f associate the body of the HTTP Request with the data from a given
  file.

  6. get/post options are used to execute GET/POST requests respectively. post should
  have either -d or -f but not both. However, get option should not used with the options
  -d or -f.

1. -v Prints debugging messages.

2. -p Specifies the port number that the server will listen and
serve at. Default is 8080.

3. -d Specifies the directory that the server will use to read/write
requested files. Default is the current directory when launching the
application.