log in

By analogy with clock in. (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Do we know when it was first used? Before computers? Early multi-user computers? Unix?”)

log in (third-person singular simple present logs in, present participle logging in, simple past and past participle logged in)

1. (computing) To gain access to a computer system, usually by providing a previously agreed upon username and password.

   I would like to log in to check my e-mail, but I can't remember my password.

• log on
• sign on
• sign in

• log off
• log out
• sign off
• sign out

• login

• Ligon, Lingo, Loing, ligno-, lingo, long i, longi

• Audio

  (file)

log in

1. first-person singular present indicative of inloggen
2. imperative of inloggen

• inlog