Hcl simulator pc can use http. The specific use of http requires the installation of relevant server software and correct configuration. To use http on the hcl simulator pc, the http server software must be installed in the simulator environment and configured according to relevant guidelines. Once the configuration is successful, you can communicate using the http protocol. Hcl simulator pc is a virtual IBMmainframe environment, similar to the actual IBMmainframe environment, so its operating system is mainly based on IBM mainframe operating system, such as z/OS, OS/390 and so on. Instead of common desktop operating systems such as Windows or Linux.