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1 <refentry id="format">
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2 <refnamediv>
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3 <refname>FORMAT</refname>
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4 <refpurpose>Initialize disk media</refpurpose>
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5 </refnamediv>
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6
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7 <refsynopsisdiv>
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8 <cmdsynopsis>
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9 <command>FORMAT</command>
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10 <arg choice="plain">
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11 &replstart;devname&replend;
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12 </arg>
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13 </cmdsynopsis>
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14 </refsynopsisdiv>
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15
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16 <refsect1><title>Description</title>
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17 <para>
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18 This command is used to physically initialize, verify, and establish
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19 an initial file structure on a disk. All disks must be formatted
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20 before they can be used on an OS-9 system.
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21 </para>
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22 <para>
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23 NOTE: If the diskette is to be used as a system disk, "OS9gen" or
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24 "cobbler" must be run to create the bootstrap after the disk has
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25 been formatted.
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26 </para>
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27 <para>
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28
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29 The formatting process works as follows:
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30 </para>
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31
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32 <orderedlist numeration="arabic">
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33 <listitem>
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34 <para>
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35 The disk surface is physically initialized and sectored.
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36 </para>
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37 </listitem>
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38 <listitem>
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39 <para>
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40 Each sector is read back and verified. If the sector fails to
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41 verify after several attempts, the offending sector is excluded from
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42 the initial free space on the disk. As the verification is
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43 performed, track numbers are displayed on the standard output
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44 device.
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45 </para>
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46 </listitem>
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47 <listitem>
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48 <para>
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49 The disk allocation map, root directory, and identification sector are written
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50 to the first few sectors of track zero. These
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51 sectors <emphasis>cannot</emphasis> be defective.
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52 </para>
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53 </listitem>
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54 </orderedlist>
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55 <para>
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56 FORMAT will prompt for a disk volume name, which can be up to 32
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57 characters long and may include spaces or punctuation. This name
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58 can later be displayed using the FREE command.
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59 </para>
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60 <para>
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61 For more information see: 3.10
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62 </para>
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63 </refsect1>
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64 </refentry>
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65
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