dbms_job vs cron jobs

i need to run jobs at predifned intervals of time and we have decided to automate this jobs i was wondering what to do use dbms_jobs package supplied by oracle or use cron and a shell script.

my task inculde

a)taking incremental exports
b)cleaning up archived log directory
c)other routine space administration tasks and paging them 2 a dba.

i am runing oracle 8.1.6 on redhat linux.source code or shell script examples to achieve the above tasks would be of great help.

thanks in advance

[Edited by hrishy on 02-22-2001 at 03:18 AM]

looking at the tasks ,I would go for cron jobs.

Regards
Gert

For A and B, Use Shell scripts.

For C, Use DBMS_JOB package.

Thanks.

Best Regards.

great answer folks but being new to this job ,wish somebody could provide me with the source code for doing this both for dbms_job and cron shell scripts i would be greatful.even websites would be great.

thanks for all the help