| A | B |
| Telnet | The Internet standard protocol for remote terminal connection services. |
| Secure Shell (SSH) | A protocol and command interface that provides secure access to a remote computer. |
| Binary File | A file containing data or instructions written in zeros and ones. |
| Secure Copy (SCP) | A program used with Secure Shell to transfer files between systems. |
| SSH File Transfer Protocol (S/FTP) | A file transfer protocol that allows the encryption of transmissions using the Secure Shell (SSH) protocol. |
| SSL/TLS-Enabled FTP (FTPS) | FTP that runs on an SSL/TLS-secured connection. |
| Virtual Network Computing (VNC) | A program that allows you to control a computer at a remote location. |
| Instant Messaging (IM) | A computer-based method of communication in which users can type and view messages sent to one or more recipient, and view the responses immediately. |
| Spim | Spam that is delivered through instant messaging. |
| Peer-to-Peer Network | A network in which each computer has both server and client capabilities. |
| P2P | A peer-to-peer network on the Internet. |
| Lightweight Directory Access Protocol (LDAP) | A protocol that allows a network entity to access a directory service listing. |
| Concurrent Versions System (CVS) | A tool that allows programmers to control different versions of the pieces of a program as those pieces are developed. |
| Blog | A collection of personal thoughts posted on a public Web site. |