.SH SYNOPSIS
.B badblocks
[
-.B \-svwnf
+.B \-svwnfBX
]
[
.B \-b
before proceeding to the next pattern.
.TP
.B \-v
-Verbose mode.
+Verbose mode. Will write the number of read errors, write errors and data-
+corruptions to stderr.
.TP
.B \-w
Use write-mode test. With this option,
.B \-n
option, as they are mutually exclusive.
.TP
+.B \-B
+Use buffered I/O and do not use Direct I/O, even if it is available.
+.TP
.B \-X
Internal flag only to be used by
.BR e2fsck (8)