Since you're getting "Bad command or file name", I assume
you're on Windows. If you are using
then
you do not need to compile DBI yourself. You can download
and install a precompiled package.
Download the following two files (since you dont have
Internet access on that PC, you may need to transfer the
files using floppies or whatever)
Open the DBI.ppd file and edit the CODEBASE tag to point to
the DBI.tar.gz file; e.g.,