Welcome to LQ!
UBCD Ultimate Boot CD
allows users to run floppy-based diagnostic tools from most CDROM drives on Intel-compatible machines, no operating system required. The CD includes many diagnostic utilities.
is a Linux system on a bootable CD-ROM for repairing your system and recovering your 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. It contains a lot of system utilities (parted, partimage, fstools, ...) and basic tools (editors, midnight commander, network tools).' + 'Online-Manual
You should have one of the above LiveCD for maintenance, emergency or diagnostic work.
Look at Tools, Recovery, Diagnostic, Emergency
section of SlackwareŽ-Links
for other useful tools.
---------- Post added 04-21-11 at 18:54 ----------
By using the LiveCD you will not have to worry since single user therefore no conflicts.