Disk Repair help

[ghall]

Is there some way to repair the Macintosh HD volume if I don't happen to have my install disks handy.

Thanks for the help.

[jeremy.king]

You can run fsck in single user mode.

http://macs.about.com/od/osx/a/running_fsck.htm

[ghall]

Looks scary, but helpful :) Thanks