Do you know the Keychain? We enter each user name and password on both the website, network or in other applications, the information will be entered into the database, which is called Keychain. Thus, the Keychain is an application that is very closely related to your securities. Please read further to find out more about Keychain.Aplikasi Mac Keychain disemua there, stored in the folder Applications / Utilities. Here is the anatomy of the Keychain.
Note the padlock at the top left, you can lock the Keychain for security. When you want to read the data, you will be asked Keychain keywords.
On the left you can see groups Keychains, Keychains, and category

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Keychains with the application we can see the username and keywords internet account, application or network.
How To Make Keychain by self?
You can create your own group with the keychain access menu Create New Keychain .... In this keychain you can save the login data, certificates, notes or confidential