Lines Matching +full:256 +full:- +full:byte

5 .\" SPDX-License-Identifier: BSD-2-Clause
13 .Nd GEOM-based zero disk/block device
21 .Cd kern.geom.zero.byte
27 device simulating a one-exabyte disk.
30 .Va kern.geom.zero.byte
31 for every byte read from it.
67 .Bl -tag -width "kern.geom.zero.clear"
68 .It Va kern.geom.zero.byte
69 This variable sets the fill byte of the
82 .Va kern.geom.zero.byte .
89 .Bl -tag -width /dev/gzero
101 .Bd -literal -offset indent
108 .Bd -literal -offset indent
118 Set the fill byte of the
126 .Bd -literal -offset indent
127 # sysctl kern.geom.zero.byte=70
128 kern.geom.zero.byte: 0 -> 70
129 # head -c 1 /dev/gzero
135 default encryption algorithm with a 4-KiB sector size:
136 .Bd -literal -offset indent
138 # geli onetime -s 4096 gzero
140 # dd if=/dev/gzero.eli of=/dev/zero bs=4k count=$((1024 * 256))
144 # dd if=/dev/zero of=/dev/gzero.eli bs=4k count=$((1024 * 256))
161 .An -nosplit