A hearing aid specialist, also known as a hearing instrument specialist, is a professional who evaluates people with hearing problems and chooses the best hearing aid to improve their condition. Hearing loss is frequently encountered among the elderly, but also in younger people.
For other uses, see SSH (disambiguation). Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. The best known example application is for remote login to computer systems by users.
SSH stands for Secure SHell. It is a program designed to allow users to log into another computer over a network, to execute commands on that computer and to move files to and from that computer. It effectively replaces telnet, ftp and the rcp/rsh/remsh programs.