• rsync: 41.7%

• tar: 11.6%

• Other: 8.9%*

• Amanda: 7%

• Bacula: 6%

• Simple Linux Backup: 4.4%

• Back in Time: 4.1%

• Arkeia: 3.2%

• BackupPC: 3.1%

• rsnapshot: 3.1%

• luckyBackup: 2.8%

• rdiff-backup: 1.7%

• cpio: 1.2%

• Mondo: 1.2%

• BakBone NetVault: .1%

*Deja Dup and "custom scripts" had several write-in votes.