生成指定大小的文件

Windows

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fsutil file createNew 5MB 5242880 fsutil file createNew 50MB 52428800 fsutil file createNew 500MB 524288000 fsutil file createNew 5000MB 5242880000 fsutil file createNew 1GB 1073741824 fsutil file createNew 2GB 2147483648 fsutil file createNew 3GB 3221225472 fsutil file createNew 4GB 4294967296

Linux

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dd if=/dev/zero of=5MB count=1048576 bs=5 dd if=/dev/zero of=50MB count=1048576 bs=50 dd if=/dev/zero of=500MB count=1048576 bs=500 dd if=/dev/zero of=5000MB count=1048576 bs=5000 dd if=/dev/zero of=1GB count=1048576 bs=1024 dd if=/dev/zero of=2GB count=1048576 bs=2048 dd if=/dev/zero of=3GB count=1048576 bs=3072 dd if=/dev/zero of=4GB count=1048576 bs=4096