.TH SG_READ_BLOCK_LIMITS "8" "October 2017" "sg3_utils\-1.43" SG3_UTILS
.SH NAME
sg_read_block_limits \- send SCSI READ BLOCK LIMITS command
.SH SYNOPSIS
.B sg_read_block_limits
[\fI\-\-help\fR] [\fI\-\-hex\fR] [\fI\-\-raw\fR]  [\fI\-\-readonly\fR]
[\fI\-\-verbose\fR] [\fI\-\-version\fR] \fIDEVICE\fR
.SH DESCRIPTION
.\" Add any additional description here
.PP
Send a SCSI READ BLOCK LIMITS command to \fIDEVICE\fR and outputs the
response. This command is defined for tape (drives) and its description
is found in the SSC documents at http://www.t10.org .
.SH OPTIONS
Arguments to long options are mandatory for short options as well.
.TP
\fB\-h\fR, \fB\-\-help\fR
output the usage message then exit.
.TP
\fB\-H\fR, \fB\-\-hex\fR
output response in hex (rather than decode it).
.TP
\fB\-r\fR, \fB\-\-raw\fR
output response in binary to stdout.
.TP
\fB\-R\fR, \fB\-\-readonly\fR
open \fIDEVICE\fR in read\-only mode. The default is to open it in
read\-write mode.
.TP
\fB\-v\fR, \fB\-\-verbose\fR
increase the level of verbosity, (i.e. debug output).
.TP
\fB\-V\fR, \fB\-\-version\fR
print the version string and then exit.
.SH EXIT STATUS
The exit status of sg_read_block_limits is 0 when it is successful. Otherwise
see the sg3_utils(8) man page.
.SH EXAMPLES
It is usually okay to use no options. Here is an invocation (on the first
line following the "#" command prompt) followed by some typical output:
.PP
   # sg_read_block_limits /dev/st0
.br
Read Block Limits results:
.br
        Minimum block size: 1 byte(s)
.br
        Maximum block size: 16777215 byte(s), 16383 KB, 15 MB
.br
.SH AUTHORS
Written by Douglas Gilbert.
.SH "REPORTING BUGS"
Report bugs to <dgilbert at interlog dot com>.
.SH COPYRIGHT
Copyright \(co 2009\-2017 Douglas Gilbert
.br
This software is distributed under a FreeBSD license. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
.SH "SEE ALSO"
.B sg3_utils(sg3_utils)