When the System Crashes
The best time to deal with a system crash is before the crash happens. This means being prepared with a good backup plan, good backups, emergency boot disks, and copies of important files. These issues are covered in this section, along with tips and hints for maintaining your filesystem integrity and system security.
Here are some Do's to help you avoid problems:
Do make a backup after a clean install and setup.
Do create a set of emergency boot disks with your current kernel.
Do use the shutdown command.
Do consider using an uninterruptible power supply (UPS).
Do use fsck, mbadblocks, or badblocks to check floppy disks.
Do make backups of important files on floppy disks or other removable media.
Do use your filesystem tools. ...
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