The backup information on a computer is paramount. If something happens to your hard drive or something to let the computer unusable, better get ready to say goodbye to all your information. That is why it is always advisable to make a backup of your data whenever you can.
In OS X, Apple added a very useful function to make a backup of information that only needs to be configured once and thereafter copies of information are automatically made. The function is called Time Machine, and maybe you’ve seen in a menu on your computer, but did not know its purpose.
Using Time Machine to back up your …
To use Time Machine, you need two things: the first – as may deduct – is a Mac, the second is an external hard disk or a Time Capsule, the latter is a device that Apple sold exclusively for backup information, but also it has secondary network functions. I recommend using an external disk because it is smaller and much cheaper, also recommend it a SSD (solid state) and not a HDD (hard disk), although that decision is now yours.
The external hard drive will stop there to make backups. I recommend having a large device, at least 500GB.
Once you have the external hard drive and the Mac to which you do backup, follow these steps
Once you have added the password and chosen the hard drive for backups, the Mac displays a notice that will begin shortly the first data backup (which is usually the largest). After the first backup, Time Machine will automatic backups every 24 hours, as long as the hard drive is connected to the Mac.
When the hard disk is full backup, Time Machine will remove the last copies, freeing up space automatically and keeping only the last backup.
Copies of Time Machine can not only be used to recover lost information. When you have a new Mac or one that was restored from scratch when starting for the first time the computer can connect the hard disk used for Time Machine and take copies files to copy important documents.
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