Schedule a job using Crontab

Shell Programming and Scripting
1

I would like to execute my script at 17.30 and 23.00 using crontab, could anybody help me out!!

Thanks in Advance!!

2

If you can change 17.30 to either 17.00 or 18.00 you can do it with a simple cron entry, e.g.

00 17,23 * * * /path/to/job

Otherwise, one way would be to schedule the job for every 30 minutes between 17.00 and 23.00 and test for the two required times within your job.