find a way to make a command not possible to execute

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I have a user in linux

and i have a problem, because the user in linux is accessed by many users and in some times somebody for error write crontab -r and delete all crontabs.

Is there a way to lock the command: "crontab -r"? (i am not the user root, only have this permisions in this user)

I have a red hat server.

Thanks

asked 59 secs ago

Alexander Ovalle

109

find a way to make a command not possible to execute