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annotate docs/nitros9guide/help.refentry @ 1340:63bfe1e5c5f4

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Rodney added several additional codes that can be generated from the keyboard. ($7F, $1D-$1F)
author boisy
date Sat, 13 Sep 2003 17:59:00 +0000
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children b00cf13c9f61
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1 <refentry id="help">
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2 <refnamediv>
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3 <refname>HELP</refname>
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4 <refpurpose>Displays the usage and syntax of OS-9 commands.</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>help</command>
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10 <arg choice="plain">
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11 &repeatst;<replaceable>command</replaceable>&repeaten;
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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 Provide as argument the command for which you want syntax help. Include
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19 as many command names in one <command>help</command> line as you wish. The proper form and
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20 syntax appears for each valid command you include.
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21 </para>
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22 </refsect1>
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23
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24 <refsect1><title>Notes</title>
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25 <para>
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26 To use <command>help</command>, first copy <filename>Cmds.hp</filename> from the <filename class="directory">SYS</filename> directory of the CONFIG/BOOT
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27 Diskette to the <filename class="directory">SYS</filename> directory of your system diskette.
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28 Next, copy <command>help</command>
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29 from the <filename class="directory">CMDS</filename> directory of
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30 the CONFIG/BOOT Diskette to the <filename class="directory">CMDS</filename> directory
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31 of your system diskette as follows:
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32 </para>
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33 <para>
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34 Procedure for one disk drive:
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35 </para>
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36 <para>
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37 1. With OS-9 booted and the system diskette in your drive, type:
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38 </para>
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39 <screen>
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40 LOAD COPY [ENTER]
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41 </screen>
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42 <para>
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43 2. Replace the system diskete with the CONFIG/BOOT Diskette and type:
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44 </para>
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45 <screen>
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46 COPY /D0/SYS/CMDS.HP /D0/SYS/CMDS.HP -S #30K [ENTER]
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47 </screen>
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48 <para>
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49 3. Exchange the two diskettes as requested by the screen prompts until the
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50 process is complete.
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51 </para>
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52 <para>
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53 4. Again, place the CONFIG/BOOT DIskette int he drive, and type:
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54 </para>
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55 <screen>
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56 COPY /D0/CMDS/help /D0/CMDS/help -S #30K [ENTER]
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57 </screen>
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58 <para>
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59 5. Swap diskettes as requested until the process is complete.
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60 </para>
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61 <para>
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62 Procedure for two disk drives
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63 </para>
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64 <para>
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65 1. With OS-9 booted, place the CONFIG/BOOT Diskette in Drive 1. Be sure
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66 the system diskette is in Drive 0.
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67 </para>
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68 <para>
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69 2. Type:
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70 </para>
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71 <screen>
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72 COPY /D1/SYS/CMDS.HP /D0/SYS/CMDS.HP [ENTER]
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73 </screen>
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74 <para>
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75 3. When the first copy is complete, type:
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76 </para>
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77 <screen>
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78 COPY /D1/CMDS/help /D0/CMDS/help [ENTER]
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79 </screen>
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80 <para>
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81 Cmds.hp is a data file, not a text file, and you cannot successfully display
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82 it on your screen or edit it with a standard text editor. It contains help
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83 for standard OS-9 commands.
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84 </para>
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85 <para>
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86 <command>Help</command> displays the form and syntax of the specified command. If you use a
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87 non-standard command name, a screen display tells you that help is not
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88 available for that command.
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89 </para>
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90 <para>
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91 Examples:
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92 </para>
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93 <screen>
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94 HELP BACKUP [ENTER]
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95 BACKUP [e][s][-v][dev][dev]
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96 Copies all data from one device to another
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97
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98 HELP ME [ENTER]
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99 ME Help not available
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100
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101 HELP [ENTER]
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102 HELP [command name][...]
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103 </screen>
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104 </refsect1>
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105 </refentry>