About Clonezilla

Unattended mode is supported
Almost all steps can be done via commands and options
You can also use a lot of boot parameters to customize your own imaging and cloning
One image restoring to multiple local devices is supported
Image could be encrypted
This is done with ecryptfs, a POSIX-compliant enterprise cryptographic stacked filesystem
Multicast is supported in Clonezilla SE, which is suitable for massive clone
You can also remotely use it to save or restore a bunch of computers if PXE and Wake-on-LAN are supported in your clients
Bittorrent (BT) is supported in Clonezilla lite server, which is suitable for massive deployment
The job for BT mode is done by Ezio
The image file can be on local disk, ssh server, samba server, NFS server or WebDAV server
AES-256 encryption could be used to secures data access, storage and transfer
Based on Partclone (default), Partimage (optional), ntfsclone (optional), or dd to image or clone a partition
However, Clonezilla, containing some other programs, can save and restore not only partitions, but also a whole disk
By using another free software drbl-winroll, which is also developed by us, the hostname, group, and SID of cloned MS windows machine can be automatically changed

X86 or x86-64 processor
196 MB of system memory (RAM)
Boot device, e
g
CD/DVD Drive, USB port, PXE, or hard drive
The destination partition must be equal or larger than the source one
Differential/incremental backup is not implemented yet
Online imaging/cloning is not implemented yet
The partition to be imaged or cloned has to be unmounted
Due to the image format limitation, the image can not be explored or mounted
You can NOT recovery single file from the image
However, you still have workaround to make it, read this
Recovery Clonezilla live with multiple CDs or DVDs is not implemented yet
Now all the files have to be in one CD or DVD if you choose to create the recovery iso file
Clonezilla itself is licensed under the GNU General Public License (GPL) Version 2
However, to run Clonezilla, a lot of free and open source software, e
g
the Linux kernel and a minimal GNU/Linux OS, are required

Clonezilla Live: Clonezilla live allows you to use CD/DVD or USB flash drive to boot and run clonezilla (Unicast only)
Clonezilla lite server: Clonezilla lite server allows you to use Clonezilla live to do massively cloning (unicast, broadcast, multicast, bittorrent are supported)
Clonezilla SE: Clonezilla SE is included in DRBL, therefore a DRBL server must first be set up in order to use Clonezilla to do massively cloning (unicast, broadcast and multicast are supported)