I am the super user "root" I have all previleges.I can remove the
crontab when I used as
su -c user
crontab -r
in the command prompt.
But when I tried to do the same in inside the script it shows the $
symbol alone exiting from the program.So how to remove the crontab
using commands inside the script?

>>>>> "mathiyazhagang" == mathiyazhagang  <mathiyazhagang@gmail.com> writes:

mathiyazhagang> I am the super user "root" I have all previleges.I can remove the
mathiyazhagang> crontab when I used as
mathiyazhagang> su -c user
mathiyazhagang> crontab -r
mathiyazhagang> in the command prompt.
mathiyazhagang> But when I tried to do the same in inside the script it shows the $
mathiyazhagang> symbol alone exiting from the program.So how to remove the crontab
mathiyazhagang> using commands inside the script?

If you're the super user, you can just use the "user" option on crontab:

crontab -u user -r

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On 5 Mar 2007 06:55:16 -0800, mathiyazhagang@gmail.com 
  <mathiyazhagang@gmail.com> wrote:
>
>
> I am the super user "root" I have all previleges.I can remove the
> crontab when I used as
> su -c user
> crontab -r
> in the command prompt.
> But when I tried to do the same in inside the script it shows the $
> symbol alone exiting from the program.So how to remove the crontab
> using commands inside the script?
>
The next argument after -c should be a command.  Try
su user -c "crontab -r"
or
crontab -u user -r


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