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><H1
><A
NAME="HELP-COMMAND">help</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN3316"
></A
><H2
>Name</H2
>help -- Display help on available commands</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN3319"><H2
>Synopsis</H2
><P
><B
CLASS="COMMAND"
>help</B
> [<TT
CLASS="REPLACEABLE"
><I
> topic</I
></TT
>]</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3324"
></A
><H2
>Arguments</H2
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN3326"><P
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><THEAD
><TR
><TH
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Name</TH
><TH
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Type</TH
><TH
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Description</TH
><TH
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Default</TH
></TR
></THEAD
><TBODY
><TR
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="REPLACEABLE"
><I
>topic</I
></TT
></TD
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>String</TD
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Which command to provide help for.</TD
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>All commands</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3345"
></A
><H2
>Description</H2
><P
>The <B
CLASS="COMMAND"
>help</B
> command displays information about the available
RedBoot commands. If a <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>topic</I
></SPAN
> is given, then the display
is restricted to information about that specific command.
</P
><P
>If the command has sub-commands, e.g. <B
CLASS="COMMAND"
>fis</B
>, then the topic
specific display will print additional information about the available sub-commands.
special (ICMP) packets to a specific host. These packets should be automatically
returned by that host. The command will indicate how many of these round-trips
were successfully completed.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3352"
></A
><H2
>Examples</H2
><P
>Show generic help. Note that the contents of this display will depend on the various configuration
options for RedBoot when it was built.
<TABLE
BORDER="5"
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WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>RedBoot> <TT
CLASS="USERINPUT"
><B
>help</B
></TT
>
Manage aliases kept in FLASH memory
alias name [value]
Manage machine caches
cache [ON | OFF]
Display/switch console channel
channel [-1|<channel number>]
Compute a 32bit checksum [POSIX algorithm] for a range of memory
cksum -b <location> -l <length>
Display (hex dump) a range of memory
dump -b <location> [-l <length>] [-s] [-1|2|4]
Manage FLASH images
fis {cmds}
Manage configuration kept in FLASH memory
fconfig [-i] [-l] [-n] [-f] [-d] | [-d] nickname [value]
Execute code at a location
go [-w <timeout>] [entry]
Help about help?
help [<topic>]
Set/change IP addresses
ip_address [-l <local_ip_address>] [-h <server_address>]
Load a file
load [-r] [-v] [-d] [-h <host>] [-m {TFTP | HTTP | {x|y}MODEM -c <channel_number>}]
[-b <base_address>] <file_name>
Compare two blocks of memory
mcmp -s <location> -d <location> -l <length> [-1|-2|-4]
Fill a block of memory with a pattern
mfill -b <location> -l <length> -p <pattern> [-1|-2|-4]
Network connectivity test
ping [-v] [-n <count>] [-l <length>] [-t <timeout>] [-r <rate>]
[-i <IP_addr>] -h <IP_addr>
Reset the system
reset
Display RedBoot version information
version
Display (hex dump) a range of memory
x -b <location> [-l <length>] [-s] [-1|2|4]</PRE
></TD
></TR
></TABLE
>
</P
><P
>Help about a command with sub-commands.
<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>RedBoot> <TT
CLASS="USERINPUT"
><B
>help fis</B
></TT
>
Manage FLASH images
fis {cmds}
Create an image
fis create -b <mem_base> -l <image_length> [-s <data_length>]
[-f <flash_addr>] [-e <entry_point>] [-r <ram_addr>] [-n] <name>
Display an image from FLASH Image System [FIS]
fis delete name
Erase FLASH contents
fis erase -f <flash_addr> -l <length>
Display free [available] locations within FLASH Image System [FIS]
fis free
Initialize FLASH Image System [FIS]
fis init [-f]
Display contents of FLASH Image System [FIS]
fis list [-c] [-d]
Load image from FLASH Image System [FIS] into RAM
fis load [-d] [-b <memory_load_address>] [-c] name
Write raw data directly to FLASH
fis write -f <flash_addr> -b <mem_base> -l <image_length></PRE
></TD
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></TABLE
>
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