Import backed up site to MOSS / WSS

First you will need to create an Empty site collection in SharePoint using stsadm.exe, this is not the same thing as creating a blank site using Central Administration or blank site using stsadm.exe.

Syntax
STSADM.EXE -o createsite -url <url-to-site-collection> –ownerlogin domainuser -owneremail <email-address>

Example
STSADM.EXE –o createsite –url http://servername/sites/emptysitename/ –ownerlogin yourdomainuseraccount –owneremail abc@xyz.com

Once the empty sight is created you will need to use stsadm.exe to import your current backed up site.

Syntax
STSADM.EXE -o import -url <url-to-site-collection> -filename <path to backup file> -nofilecompression

Example
STSADM.EXE -o import -url http://servername/sites/EmptySiteName/ -filename d:savedmyfileheremysite.cab -nofilecompression

Of course this all will need to be done from the SharePoint Server Frontend and you must have administrative rights to the site you created.

Stsadm.exe is located under the installation directory for SharePoint normally

C:Program FilesCommon FilesMicrosoft Sharedweb server extensions12BIN

So you may have to browse to there from the command line to be able to run

stsadm.exe unless the path is added as a path variable in you server start up