On Jun 20 17:32:51, maxim.pich...@gmail.com wrote: > dd bs=1 count=1234567 will copy 1234567 bytes and then stop, but it's slow.
$ dd bs=1 count=1234567 < /dev/zero > /dev/null 1234567+0 records in 1234567+0 records out 1234567 bytes transferred in 4.507 secs (273886 bytes/sec) $ dd count=1 bs=1234567 < /dev/zero > /dev/null 1+0 records in 1+0 records out 1234567 bytes transferred in 0.001 secs (653970943 bytes/sec)