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Chapter 13. Tracking and Synchronizing I... > Keeping Track of Passwords with Keyc...

Keeping Track of Passwords with Keychain

The computer is a fantastic tool, however, the birth of the computer brought along another necessary evil, the creation of passwords. You have passwords for the Internet, FTP sites, login, and your .Mac site. Passwords, passwords, and more passwords, they multiply like rabbits. Even cars and homes have password entrance systems (called keyless entry). The solution to the problem is to create keychains.

Apple's Keychain works in the background; every time you type your login password, you're typing in the master key, and Keychain responds by filling in all the passwords blanks from that point forward. Since Keychain functions in the background, it's invisible to most users. If Keychain were not available, every time you moved around the Internet, or accessed a hard drive, or iPod, or almost any device, you would be required to type in the proper password.


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