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发表于 2019-9-5 22:25
来自手机
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zhyan@OpenWrt-2:/mnt/usb_storage$ sudo time dd if=/dev/zero bs=4k of=testfile count=256k
262144+0 records in
262144+0 records out
real 0m 16.85s
user 0m 0.39s
sys 0m 13.51s
zhyan@OpenWrt-2:/mnt/usb_storage$ sudo time dd of=/dev/null bs=4k if=testfile |
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