| A | B |
| newsgroups | a central repository in which users are able to view unofficial, informal and rapidly updated sources of information using a news reader application |
| list server | a server that automates the collection and distribution of messages from an authorized group of participants allowing users to collaborate |
| listserve group | a group of users that subscribe to a mailing list |
| Telnet | a internet standard protocol used to establish a connection to a remote host and gather information as if you were sitting in front of the server |
| login shell | an environment that allows you to issue commands |
| standard telnet | a universal, vendor neutral form of telnet that does not encrypt data transmissions, nor does it encrypt the authentication sequence |
| microsoft telnet | a version of telnet only supported by Microsoft that encrypts both authentication and data transmission |
| Secure Shell (SSH) | a protocol and command interface that is used to gain secure access to a remote computer and then execute comandas |
| Secure Copy( SCP) | a secure method of copying files between systems that uses a SSH connection |
| SSH File Transfer Protocol(S/FTP) | a secure version of FTP that allows for longer sessions and uses SSH for encryption |
| SSL/TLS enabled FTP( FTPS) | a secure version of FTP that relies on SSL/TLS for encryption |