Apache HTTP server is an open-source software that is available for download free of charge. It is also known as Apache, or simply referenced as httpd when referring to the daemon service. Is the most widely-known web server in use on the internet, serving approximately 29.12% of the million busiest websites (see https://news.netcraft.com/archives/2020/04/08/april-2020-web-server-survey.html#graph04_202004_00.) HostGator web servers use this Linux-based program to view web pages. It is efficient in processing requests for static content and contains features to utilize Secure Socket Layers (SSLs), Virtual Hosts (Vhost), and Common Gateway Interface (CGI) applications. This software also supports PHP, Python, and Perl.
While HTTPD is a software, it also runs in the background to process any server request. HTTPD with reference to Apache executes the process by creating threads or child processes to handle incoming requests.
Apache Tomcat
Or “Apache Tomcat”, is an open-source implementation of the Java Servlet and JavaServer Pages technologies which includes Java Expression Language and WebSocket. “Pure Java” or Java-ran code that serves as an environment for this tool; creating an “Easy” key factor impression to all who selected this. This is also called an “application server”, which means it delivers a dynamic content using Java technologies.