393 .ne 2
 394 .na
 395 \fB\fBdsync\fR\fR
 396 .ad
 397 .RS 11n
 398 The output file is opened with the \fBO_DSYNC\fR flag set. All data writes will
 399 be synchronous. For more information on \fBO_DSYNC\fR see \fBfcntl.h\fR(3HEAD).
 400 .RE
 401 
 402 .sp
 403 .ne 2
 404 .na
 405 \fB\fBsync\fR\fR
 406 .ad
 407 .RS 11n
 408 The output file is opened with the \fBO_SYNC\fR flag set. All data and metadata
 409 writes will be synchronous. For more information on \fBO_SYNC\fR see
 410 \fBfcntl.h\fR(3HEAD).
 411 .RE
 412 
 413 .RE
 414 
 415 .sp
 416 .LP
 417 If operands other than \fBconv=\fR and \fBoflag=\fR are specified more than once,
 418 the last specified \fBoperand=\fR\fIvalue\fR is used.
 419 .sp
 420 .LP
 421 For the \fBbs=\fR, \fBcbs=\fR, \fBibs=\fR, and \fBobs=\fR operands, the
 422 application must supply an expression specifying a size in bytes. The
 423 expression, \fBexpr\fR, can be:
 424 .RS +4
 425 .TP
 426 1.
 427 a positive decimal number
 428 .RE
 429 .RS +4
 430 .TP
 431 2.
 432 a positive decimal number followed by \fBk\fR, specifying multiplication by
 433 1024
 434 .RE

 393 .ne 2
 394 .na
 395 \fB\fBdsync\fR\fR
 396 .ad
 397 .RS 11n
 398 The output file is opened with the \fBO_DSYNC\fR flag set. All data writes will
 399 be synchronous. For more information on \fBO_DSYNC\fR see \fBfcntl.h\fR(3HEAD).
 400 .RE
 401 
 402 .sp
 403 .ne 2
 404 .na
 405 \fB\fBsync\fR\fR
 406 .ad
 407 .RS 11n
 408 The output file is opened with the \fBO_SYNC\fR flag set. All data and metadata
 409 writes will be synchronous. For more information on \fBO_SYNC\fR see
 410 \fBfcntl.h\fR(3HEAD).
 411 .RE
 412 


 413 .sp
 414 .LP
 415 If operands other than \fBconv=\fR and \fBoflag=\fR are specified more than once,
 416 the last specified \fBoperand=\fR\fIvalue\fR is used.
 417 .sp
 418 .LP
 419 For the \fBbs=\fR, \fBcbs=\fR, \fBibs=\fR, and \fBobs=\fR operands, the
 420 application must supply an expression specifying a size in bytes. The
 421 expression, \fBexpr\fR, can be:
 422 .RS +4
 423 .TP
 424 1.
 425 a positive decimal number
 426 .RE
 427 .RS +4
 428 .TP
 429 2.
 430 a positive decimal number followed by \fBk\fR, specifying multiplication by
 431 1024
 432 .RE