(pronounced: lamp stack)
The acronym LAMP refers to the first letters of Linux, Apache, MySQL, and PHP (or Perl or Python) which compose a solution stack made of free and open source software, suitable for building robust, dynamic web sites.
The actual bundle is usually:
Linux - the operating system;
Apache - the web server;
MySQL - the database management system;
PHP, Perl, or Python - the scripting languages.
NetLingo Classification: Net Programming