sc

$ sc ?
sc version 0.11 27 May 1997
Copyright (C) 1993-1997 Brown Computer Company. All rights reserved.
This program will execute individual scsi commands under Linux 2.0.30.

use       sc dev_name "command args" +
or        sc ?
where:
          dev_name is an entry in /dev, such as /dev/st0;
          command is one of the commands listed below; and
          args are white space delimited tokens.
          [] indicate an option. | indicates an exclusive choice.
          + indicates one required instance with optional repetitions.
          "" should enclose commands which use additional arguments.

commands  usage                          explanation
-------------------------------------------------------------------------
version   v                              get administrator version
auto rs   a                              automatic printing of rs data
tdr       t                              test drive ready, device status
inquire   i                              device manufacturer and model
load      "l [retension] [bot | eot]"
capacity  c                              get the storage capacity
mode      "m [sense | select [save]]"    select data is read from stdin
rsense    rs                             request sense data
format    f
wf        "wf [count]"                   write filemarks
write     w                              copy one block from stdin
zero      z                              rewind or reset the device
sf        "sf [count | eor]"             filemark or end of recorded area
read      r                              copy one block to stdout
unload    u
help      help                           prints this message
?         ?                              prints this message
$