An “operating system” consists of many utilities, along with a master control program, called the “kernel”. The kernel provides services to start and stop programs, handle the file system and other “low level” tasks most programs on your computer share. Perhaps most importantly, the kernels also schedule access to hardware, avoiding conflicts if two programs try to access the same resource or device simultaneously. ...

The Apache HTTP Server is an Open-Source Web Server application primarily used on Unix platforms (BSDi, Linux, Mac OS X, and others), but also on Windows, although that is rare, due to IIS native integration. Apache is the “gold standard” on Unix-based web hosting, supporting a huge number of extensions and plugins, and Apache runs on over 120 million web servers, including most public...

MariaDB is a community-developed, commercially supported fork of the MySQL relational database management system (RDBMS), intended to remain free and open-source software under the GNU General Public License. Development is led by some of the original developers of MySQL, who forked it due to concerns over its acquisition by Oracle Corporation in 2009. MariaDB is intended to maintain high compatibility with MySQL, with...