LOST my crontab enteries of root

UNIX for Advanced & Expert Users
1

Hello All,

I did very stupid mistake and lost all my crontab enteries on root prompt.
Please help me to solve this issue.

i did entry on root prompt like this.
crontab /home/back.cron

and enters

but when i enter crontab -l so its only showing 1 entry defined in back.cron
and all other enteries defined on root are lost...

Please help, is there is anyway to recover my previous enteries..

Regards,

2

Recover your former crontab from backup.

3

Can you tell me how to recover crontab file from backup..

i have four tapes containing backup...

can you please tell me the procedure..

i have put in tape in the tape drive and trying to access it through this command:

root> tar tf /dev/rmt/0hbn
tar: tape read error

but its giving error...

tell me how to access contents of tape drive?

Plzz

Regards