ssh

Interjection

 * 1) Be quiet or reduce the volume.

Etymology 2
Abbreviation of secure shell

Proper noun

 * 1)  A program and protocol for securely logging in to and running programs on remote machines across a network, with encryption to protect the transferred information and authentication to ensure that the remote machine is the one desired.

Verb

 * 1)  To use ssh to connect to a remote computer.