Backup WSS 3.0 – the minimums

To backup WSS 3 stages need to be completed:

Backup IIS Metabase:
cscript iisback.vbs /backup /b

Backup WSS site data:
STSADM.EXE -o backup -directory \WSSBackup$ -backupmethod full

Backup files folders:
Backup software (Backup Exec/ntbackup)