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Tetrachloride

(8,577 posts)
3. Keychain is required for the basics.
Sun Jan 31, 2021, 08:51 AM
Jan 2021

In general, keychain is for your computer to remember passwords and such.

Your keychain has a master password.

When you pull your keys out of your pocket, that is akin to opening the master password. The software then selects the key for your door. Then you are not fumbling around for passwords.

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