# Acronyms index

| Acronym | Expansion                                              | Description                                                                                         |
| ------- | ------------------------------------------------------ | --------------------------------------------------------------------------------------------------- |
| ACK     | ACKnowledgement                                        |                                                                                                     |
| ACL     | Access Control List                                    |                                                                                                     |
| APK     | Alpine Package Keeper                                  | Package manager used by Alpine Linux                                                                |
| APT     | Advanced Package Tool                                  | Package manager used by Debian Linux                                                                |
| ASCII   | American Standard Code for Information Interchange     |                                                                                                     |
| AV      | AntiVirus                                              |                                                                                                     |
| AVR     | Audio/Video Receiver                                   |                                                                                                     |
| AWS     | Amazon Web Services                                    |                                                                                                     |
| BASH    | Bourne Again SHell                                     |                                                                                                     |
| BIOS    | Basic Input/Output System                              |                                                                                                     |
| BOINC   | Berkeley Open Infrastructure for Network Computing     |                                                                                                     |
| BSoD    | Blue Screen of Death                                   |                                                                                                     |
| BYOD    | Bring Your Own Device                                  |                                                                                                     |
| CLI     | Command Line Interface                                 |                                                                                                     |
| CMS     | Content Management System                              |                                                                                                     |
| CN      | Canonical Name                                         |                                                                                                     |
| CN      | Common Name                                            |                                                                                                     |
| COTS    | Commercial Off-The-Shelf                               | Available _as-is_, not optimized for specific scopes or objectives                                  |
| CSMA    | Carrier-Sense Multiple Access                          |                                                                                                     |
| CSMA/CD | Carrier-Sense Multiple Access with Collision Detection |                                                                                                     |
| CSP     | Cloud Service Provider                                 |                                                                                                     |
| CSS     | Cascading Style Sheets                                 |                                                                                                     |
| CSS     | Cross-Site Scripting                                   |                                                                                                     |
| CVE     | Common Vulnerabilities and Exposures                   |                                                                                                     |
| CVS     | Concurrent Versioning System                           |                                                                                                     |
| DBMS    | Data Base Management System                            |                                                                                                     |
| DKIM    | DomainKeys Identified Mail                             |                                                                                                     |
| EEPROM  | Electronically Erasable Programmable Read-Only Memory  |                                                                                                     |
| FIFO    | First In First Out                                     |                                                                                                     |
| FILO    | First In Last Out                                      |                                                                                                     |
| FS      | FileSystem                                             |                                                                                                     |
| FW      | FireWall                                               |                                                                                                     |
| GNU     | Gnu is Not Unix                                        |                                                                                                     |
| GPG     | Gnu Privacy Guard                                      |                                                                                                     |
| GUI     | Graphical User Interface                               |                                                                                                     |
| HA      | High Availability                                      | Characteristic of a system which aims to ensure better or longer availability for its services      |
| HPC     | High Performance Computing                             | Collections of systems and tools used to achieve a greater processing capacity than the single unit |
| IaC     | Infrastructure as Code                                 |                                                                                                     |
| IP      | Internet Protocol                                      |                                                                                                     |
| IPvX    | Internet Protocol version X                            |                                                                                                     |
| ISP     | Internet Service Provider                              |                                                                                                     |
| JDK     | Java Development Kit                                   |                                                                                                     |
| JRE     | Java Runtime Engine                                    |                                                                                                     |
| LAN     | Local Area Network                                     |                                                                                                     |
| LED     | Light Emitting Diode                                   |                                                                                                     |
| LIFO    | Last In First Out                                      |                                                                                                     |
| M2COTS  | Mass Market COTS                                       | Widely available COTS products                                                                      |
| PGP     | Pretty Good Privacy                                    |                                                                                                     |
| ROM     | Read-Only Memory                                       |                                                                                                     |
| RPM     | Revolutions Per Minute                                 |                                                                                                     |
| RPM     | RPM Package Manager                                    | Package management system used by Linux distributions like Red Hat, (open)SuSE and Fedora           |
| SQL     | Structured Query Language                              |                                                                                                     |
| TCP     | Transport Control Protocol                             |                                                                                                     |
| UDP     | User Datagram Protocol                                 |                                                                                                     |
| UFW     | Uncomplicated FireWall                                 |                                                                                                     |
| USB     | Universal Serial Bus                                   |                                                                                                     |
| VIM     | VI iMproved                                            |                                                                                                     |
| WAN     | Wide Area Network                                      |                                                                                                     |
| WiMAX   | Worldwide interoperability for Microwave Access        |                                                                                                     |
| WLAN    | Wireless Local Area Network                            |                                                                                                     |
| XML     | eXtensible Markup Language                             |                                                                                                     |