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ddの途中経過を表示する

Last updated at Posted at 2012-12-26

ddコマンドのプロセスはSIGUSR1を受け取ると現在の進捗と速度(MB/sec)を標準エラー出力に出力する。

pidof dd | xargs kill -USR1

MacOS Xの場合はSIGUSR1ではなくSIGINFOで同様のことができる。
また、Ctrl+Tを入力するだけでも同様に進捗を表示してくれる。

pidof dd | xargs kill -INFO
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