URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [redboot-editing-commands.html] - Rev 594
Go to most recent revision | Compare with Previous | Blame | View Log
<!-- Copyright (C) 2003 Red Hat, Inc. --> <!-- This material may be distributed only subject to the terms --> <!-- and conditions set forth in the Open Publication License, v1.0 --> <!-- or later (the latest version is presently available at --> <!-- http://www.opencontent.org/openpub/). --> <!-- Distribution of the work or derivative of the work in any --> <!-- standard (paper) book form is prohibited unless prior --> <!-- permission is obtained from the copyright holder. --> <HTML ><HEAD ><TITLE >RedBoot Editing Commands</TITLE ><meta name="MSSmartTagsPreventParsing" content="TRUE"> <META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="eCos Reference Manual" HREF="ecos-ref.html"><LINK REL="UP" TITLE="Getting Started with RedBoot" HREF="getting-started-with-redboot.html"><LINK REL="PREVIOUS" TITLE="User Interface" HREF="user-interface.html"><LINK REL="NEXT" TITLE="RedBoot Startup Mode" HREF="startup-mode.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >eCos Reference Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="user-interface.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 1. Getting Started with RedBoot</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="startup-mode.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="REDBOOT-EDITING-COMMANDS">RedBoot Editing Commands</H1 ><P >RedBoot uses the following line editing commands. <DIV CLASS="NOTE" ><BLOCKQUOTE CLASS="NOTE" ><P ><B >NOTE: </B >In this description, <SPAN CLASS="GUIBUTTON" >^A</SPAN > means the character formed by typing the letter “A” while holding down the control key.</P ></BLOCKQUOTE ></DIV > <P ></P ><UL ><LI ><P ><SPAN CLASS="GUIBUTTON" >Delete</SPAN > (0x7F) or <SPAN CLASS="GUIBUTTON" >Backspace</SPAN > (0x08) erases the character to the left of the cursor.</P ></LI ><LI ><P ><SPAN CLASS="GUIBUTTON" >^A</SPAN > moves the cursor (insertion point) to the beginning of the line.</P ></LI ><LI ><P ><SPAN CLASS="GUIBUTTON" >^K</SPAN > erases all characters on the line from the cursor to the end.</P ></LI ><LI ><P ><SPAN CLASS="GUIBUTTON" >^E</SPAN > positions the cursor to the end of the line.</P ></LI ><LI ><P ><SPAN CLASS="GUIBUTTON" >^D</SPAN > erases the character under the cursor.</P ></LI ><LI ><P ><SPAN CLASS="GUIBUTTON" >^F</SPAN > moves the cursor one character to the right.</P ></LI ><LI ><P ><SPAN CLASS="GUIBUTTON" >^B</SPAN > moves the cursor one character to the left.</P ></LI ><LI ><P ><SPAN CLASS="GUIBUTTON" >^P</SPAN > replaces the current line by a previous line from the history buffer. A small number of lines can be kept as history. Using ^P (and ^N), the current line can be replaced by any one of the previously typed lines.</P ></LI ><LI ><P ><SPAN CLASS="GUIBUTTON" >^N</SPAN > replaces the current line by the next line from the history buffer. </P ></LI ></UL ></P ><P >In the case of the <B CLASS="COMMAND" >fconfig</B > command, additional editing commands are possible. As data are entered for this command, the current/previous value will be displayed and the cursor placed at the end of that data. The user may use the editing keys (above) to move around in the data to modify it as appropriate. Additionally, when certain characters are entered at the end of the current value, i.e. entered separately, certain behavior is elicited.</P ><P ><P ></P ><UL ><LI ><P >^ (caret) switch to editing the previous item in the <B CLASS="COMMAND" >fconfig</B > list. If fconfig edits item A, followed by item B, pressing ^ when changing item B, allows you to change item A. This is similar to the up arrow. Note: ^P and ^N do not have the same meaning while editing <B CLASS="COMMAND" >fconfig</B > data and should not be used.</P ></LI ><LI ><P >. (period) stop editing any further items. This does not change the current item.</P ></LI ><LI ><P ><SPAN CLASS="GUIBUTTON" >Return</SPAN > leaves the value for this item unchanged. Currently it is not possible to step through the value for the start-up script; it must always be retyped.</P ></LI ></UL ></P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="user-interface.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ecos-ref.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="startup-mode.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >User Interface</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="getting-started-with-redboot.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >RedBoot Startup Mode</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
Go to most recent revision | Compare with Previous | Blame | View Log