空データでファイルを作る。

2011年1月26日技術コメントする

UNIXでデカくなったファイルをOにしたいがと
いうときにお決まりなのですが、最近使っていない
為、忘れたので書きます。

cp /dev/null ファイル名

以上　しっているけど、忘れる系でした。

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