Free and open source software for workstation troubleshooting and repair
Clonezilla: The Free and Open Source Software for Disk Imaging and Cloning. (Similar to Symantec "GHOST")
Clonezilla live is suitable for single machine backup and restore. While Clonezilla SE is for massive deployment, it can clone many (40 plus!) computers simultaneously.
Check it out at http://www.clonezilla.org/
SystemRescueCd: is a Linux system rescue disk available as a bootable CD-ROM or USB stick for administrating or repairing your system and data after a crash. It aims to provide an easy way to carry out admin tasks on your computer, such as creating and editing the partitions of the hard disk.
Check it out at http://www.sysresccd.org/