Hard-disk

Insurance against posible hard-disk or file-server failure>Hard-siks often fail completly taking all your work wiht them If this failure occures,you can reload your files and directiories from the backup copy.A back up is your insurance against disk failure affecting the thousands or possibly tens of thousands of file you might have on your frile server.
Back up:This program an appliation that you se to make archiever or backup copies of important data files.
Broad cost:A novell Net-ware server utility used to send a message>it can send message to all users logged in to the network.It can send a message to all users or to specific user group or worksatation number.