Date: Tue, 1 Sep 1998 00:05:41 -0500 (EST) From: Kenneth Chiu <chiuk@cs.indiana.edu> To: Malartre <malartre@aei.ca> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Why shutdown -r now work but not reboot has a user? Message-ID: <Pine.BSF.3.96.980831235723.4277B-100000@localhost> In-Reply-To: <35EB37D2.EBDA6DA6@aei.ca>
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shutdown has a special file mode bit set, called the setuid bit. When you execute such a file, the new process takes on the uid of the owner of the file. Thus, when you are executing shutdown, you temporarily become root. reboot is not set-uid. On Mon, 31 Aug 1998, Malartre wrote: > Why shutdown -r now work but not reboot has a user? > My user is in the wheel and operator group and can "shutdown -r now" but > NOT use the shortcut "reboot". > -- > [Malartre][malartre@aei.ca][http://www.aei.ca/~malartre/] > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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