
Time Machine
Time Machine is the breakthrough automatic backup that’s built right into Mac OS X. It keeps an up-to-date copy of everything on your Mac — digital photos, music, movies, TV shows, and documents.
Snapper is a tool for Linux filesystem snapshot management. Apart from the obvious creation and deletion of snapshots, it can compare snapshots and revert differences...
snapper is a tool for linux filesystem snapshot management. apart from the obvious creation and deletion of snapshots, it can compare snapshots and revert differences between snapshots. in simple terms, this allows root and nonroot users to view older versions of files and revert changes.
the features include:
manually create snapshots
automatically create snapshots, e.g. with yast and zypp
automatically create timeline of snapshots
show and revert changes between snapshots
works with btrfs, ext4 and thinprovisioned lvm volumes
supports access control lists and extended attributes
automatic cleanup of old snapshots
command line interface
dbus interface
pam module to create snapshots during login and logout