If this file exists - 

When you enter DISKHACK's 'Change Directory' option the c:\temp*.tmp file(s) 
created for each drive are created you see the message blinking 'building 
tree...'  when you exit DISKHACK these files are normally deleted but if 
this file 'nodelete.txt' exists DISKHACK will bypass the deleting of files 
and use them again the next time you enter 'Change Directory' option,

Delete this file if you make or remove directories.

This file really saves Time when building trees of NOVELL drives
and CD-ROM drives.