Login (or logging in): To start a session with a system.
In computer security, a login (or logon) is the process by which individual access to a computer system.
A Login is usually composed by a user name and a password as a means of user authentication.
The verbs are two words: log in and log out, whereas the nouns are login and logout.
Verbs : To log in = to sign in
Synonymes: Login = signin = logon
Opposite: Logout
