<jargon> (Or "log in", "log on", "logon") To start a session
with a system, usually by giving a user name
as a means of user authentication
The term is also used to mean the ability to access a service (also called an account), e.g. "Have you been given a login yet?"
"Log in/on" is occasionally misused to refer to starting a session where no authorisation is involved, or to access where there is no session involved.
E.g. "Log on to our Web site
"login" is also the Unix
program which reads and verifies a user's user name and password and starts an interactive