![]() ![]() If you lose a file or folder, you can restore it quickly. Not all backup software works in the same way, and there are several strategies used to make a second copy of your data.Ī local backup copies your files and folders to an external hard drive plugged into your computer or somewhere on your network. On my iMac, Time Machine is constantly backing up behind the scenes, so as soon as I create or modify a document, it’s copied to an external hard drive. It’s good practice to back up your files daily, and even more often if you’re working on a critical project. ![]() How often should you back up? Well, how much work are you comfortable losing? A week? A day? An hour? How much do you value your time? How much do you hate doing your work twice? What You Need to Know Up-Front about Computer Backups 1. It’s been quite a while since I’ve lost anything important. That’s a lot of very valuable redundancy. In addition, most of my files are also stored online and on multiple devices. These days Time Machine constantly backs up anything I change to an external hard drive. I discovered clearly labeling your backup drives is a very good idea. Unfortunately, he picked up my backup hard drive by mistake, and I lost the lot again. The first thing he did was format it, without even glancing at the contents first. Many years later, my teenage son asked to borrow my wife’s spare USB hard drive. That was too convenient for the thieves, who took my backup as well-a good example of why it’s good to keep your backups in a different location. Fortunately, I had backed up my computer the previous day, and left the tall pile of floppies on my desk, right next to my laptop. The excitement of the day vanished instantly. On the day my second child was born, I came home from the hospital to discover that our house had been broken into, and our computers stolen. But despite all of this, things have still gone wrong, and I’ve lost data. ![]() I’ve used command line solutions using DOS’s xcopy and Linux’s rsync, and Clonezilla, a bootable Linux CD capable of cloning hard drives. I’ve used PC Backup for DOS, Cobian Backup for Windows and Time Machine for Mac. Over the decades I’ve backed up onto floppy disks, Zip drives, CDs, DVDs, external hard drives and network drives.
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