[quote author=“gr00vy0ne”]Acronis True Image, Norton Ghost, and Powerquest Drive Image all are system volume backup software. They backup entire partitions and drives to “image” or “archive” files. Basically, they take an exact snapshot of your system so that you can restore your system exactly how it was. All three programs also allow you to see and restore individual files from within the image file if you need it.
The other kind of backup software is file backup software. These are programs like BackUpMyPC, Iomega Automatic Backup, NTI’s Backup Now, Dantz Retrospect, and others. Rather than doing completely full backups, these programs offer finer granularity and control over file backups. Many of these offer features such as incremental and differential backups. Typically, you do a full backup first as your baseline backup. Then you perform an incremental backup which only backs ups files that have been modified since. Differential backups back up files that have been modified since the last incremental backup. Confusing? It sure is. It’s a secure method of backup data from the old days when using DAT tapes. Not all of these programs make you perform all these steps. Many of the newer products offer simpler interfaces. The advantage of these programs is that you’re not backing up an entire volume (which takes a lot of time depending on the size of your hard disk) and only groups of files.
For instance, Iomega’s Automatic Backup can be scheduled to backup your files, a directory or several directories at a scheduled time. Or, you can set a “watch” on specific directories. So, let’s say you’re watching “My Documents” directory and any time you save or modify a file in that directory, Automatic Backup will silently copy it to your backup location (like an external hard disk, another partition, or a network share). Automatic Backup can also keep “revisions” of files so that everytime you modify a file it copies the modified version to your backup location and it keeps a revision of the file (before you modified it…and the time before that). You can specify how many revisions to keep (up to 99).
So, these kinds of backup programs are good for your daily or weekly backups. System backup or archival software (Like Ghost, True Image, and Drive Image) are then good for monthly backups.
So you really can’t compare the two kinds of backup software together since it’s apples and oranges. Some of these programs offer trial versions and unique features so you may want to check them out to see what works for you and is easy to use.
know of any free/open source file backup software for windows ..? something like retrospect or similar ... i am not big into system backups I am more concerned about data.