A slightly more careful addition to prior message. I'll guess that
stderr was displayed, not caught by the shell command &> .
A=:2!:0'dd if=/dev/urandom bs=100 count=1'
1+0 records in
1+0 records out
100 bytes copied, 6.2358e-05 s, 1.6 MB/s
datatype A
literal
a.i.A
133 162 11 135 172 54 116 185 14 81 101 152 93 17 155 40 52 213 171 101
219 146 51 230 124 236 200 50 129 26 220 234 152 49 135 192 18 78 65 136
245 66 81 137 219 57 116 97 135 29 130 110 195 251 76 14 39 113 15 71
101 190 244 57 181 222 106 95 233 215 136...
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