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From: | Pádraig Brady |
Subject: | bug#16409: Some amusing results with dd |
Date: | Fri, 10 Jan 2014 18:22:46 +0000 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 |
tag 16409 notabug close 16409 stop You're hitting various type and system limits. In general it's best to keep bs=1 and increase the seek size to get this functionality portably. Newer versions of GNU dd though will handle the count=0 case better and not alloc since: http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=commit;h=8901e010f Note also the truncate command which is a more direct means to get this functionality. thanks, Pádraig.
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