The backup help command displays the complete online help entry (short
description and syntax statement) for each operation code specified by the
-topic argument. If the -topic argument is omitted, the output
includes the first line (name and short description) of the online help
entry for every backup command.
To list every backup command whose name or short description includes a
specified keyword, use the backup apropos command.
-topic <help string>+
Indicates each command for which to display the complete online help
entry. Omit the backup part of the command name, providing only the
operation code (for example, specify dump, not backup dump). If this
argument is omitted, the output briefly describes every backup command.
Prints the online help for this command. All other valid options are
The online help entry for each backup command consists of the following
two or three lines:
The first line names the command and briefly describes its function.
The second line lists aliases for the command, if any.
The final line, which begins with the string "Usage", lists the command's
options in the prescribed order. Online help entries use the same symbols
(for example, brackets) as the reference pages in this document.
The following example displays the online help entry for the backup
% backup help dump
backup dump: start dump
Usage: backup dump -volumeset <volume set name> -dump <dump level name>
[-portoffset <TC port offset>] [-at <Date/time to start dump>+]
[-append] [-n] [-file <load file>] [-help]
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