Lines Matching +full:sync +full:- +full:read

1 .\"-
45 Input data is read and written in 512-byte blocks.
54 .Bl -tag -width "of=file"
67 .Cm sync
89 .Cm sync
99 Read input from
106 .Bl -tag -width "fullblock"
109 When a read returns short, continue reading to fill the block.
113 .Xr read 2
116 .Cm conv=sync .
145 .Bl -tag -width "direct"
148 .It Cm sync
166 On non-tape devices, an
169 Otherwise, existing blocks are read and the data discarded.
170 If the user does not have read permission for the tape, it is positioned
185 Otherwise, input data is read and discarded.
186 For pipes, the correct number of bytes is read.
187 For all other devices, the correct number of blocks is read without
188 distinguishing between a partial or complete block being read.
197 .Bl -tag -width "progress"
210 .Bl -tag -width "unblock"
236 .No pre- Ns Bx 4.3 reno
239 Treats the input as a sequence of newline or end-of-file terminated variable
283 .No pre- Ns Bx 4.3 reno
308 .Cm sync
320 .Cm sync
353 .It Cm sync
394 truncated input records and odd-length byte-swapping blocks to the
397 was read.
435 .Ex -std
442 recoverable read errors from progressing into unrecoverable read errors:
452 .Dl "dd if=file conv=pareven | cmp -x - file"
454 To create an image of a Mode-1 CD-ROM, which is a commonly used format
455 for data CD-ROM disks, use a block size of 2048 bytes:
462 .Dl "dd if=memstick.img of=/dev/da0 bs=1m conv=noerror,sync"
474 .St -p1003.2
499 subsystem might prevent the super-user from writing blocks to a disk.