Date: Sun, 26 Dec 1999 16:30:22 -0600 From: Dan Nelson <dnelson@emsphone.com> To: Chris Byrnes <chris@shell.jeah.net> Cc: questions@FreeBSD.ORG Subject: Re: "yes" Message-ID: <19991226163022.A79675@dan.emsphone.com> In-Reply-To: <199912242005.OAA36145@shell.jeah.net>; from "Chris Byrnes" on Fri Dec 24 14:05:35 GMT 1999 References: <199912242005.OAA36145@shell.jeah.net>
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In the last episode (Dec 24), Chris Byrnes said: > What is the purpose of the "yes" command? I have not seen anything > useful that uses it. Its purpose is to replace the shell script while : ; do echo "yes" ; done (replace the string "yes" with any constant string you like). It's mainly used to provide input to interactive programs that you want to run from a script, to skip past "are you sure" -type prompts. > I have, however, seen people abuse it.. i.e: "yes poop > > your-drive-is-full" "dd if=/dev/zero of=your-drive-is-full bs=1m" or "cat /dev/zero > bigfile" would be quite a bit more efficient. > It's 700'd root right now, but that's not the point. If you have problems with people filling up filesystems, consider quotas. -- Dan Nelson dnelson@emsphone.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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