Extension: Login is the process of entering an operating system or application (usually on a remote computer), which has applications in both computer and Internet fields.
applied range
Computer field
Time sharing system allows multiple users to use a computer at the same time. In order to ensure the security of the system and facilitate bookkeeping, the system requires each user to have a separate account as the login identification, and the system also specifies a password for each user. Users must enter their ID and password before using the system. This process is called "login".
Internet domain
The websites or application systems of multiple users have configured unique user names and passwords for each user. Users can use their own user names and passwords to use the system, so that the system can identify the user's identity, thus maintaining the user's usage habits or data. The process that users use this set of user names and passwords to enter the system and the process that the system verifies whether the input is successful or not is called "login".
After successfully logging in, the user can legally use various functions of the account. For example, mailbox users can send and receive emails, view/change address books, etc. Forum users can view/change information, send and receive posts, etc. Instant messaging applications can send and receive messages, view/change data, view/change relationship chain information and so on.