can i execute a particular shell program after disconnect from unix server means like if i write a shell program n i want to run it after 5hrs, in the server from the time i send it for execution. is it possible.
You don't necessarily need to be "priviledged" to use cron - it depends what you mean by priviledged - depending on OS, you can specify who is to use cron with cron.allow and cron.deny files.