» Time Machine Exclusions
So Time Machine is a pretty convenient way to backup your machine, and I use it to backup my laptop to an external FireWire drive. Although Time Machine backs up the “whole system,” I assumed there had to be some exclusions, such as cache files or /dev, for example. After a short bit of digging, I discovered that these paths are specified in a standard property list at/System/Library/CoreServices/backupd.bundle/Contents/Resources/StdExclusions.plist
The full list is some 57 items, and is available below. Besides the expected cache items, the list includes some items I thought interesting
