Dear all: I found there is number at the end of SCSI commands like below: Command document WRITE(6) SBC WRITE(10) SBC WRITE(12) SBC Could someone tell me what the number, (6), (10) and (12) mean? Appreciate your help, vichy -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ