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3.2. pcs Usage Help Display

You can use the -h option of pcs to display the parameters of a pcs command and a description of those parameters. For example, the following command displays the parameters of the pcs resource command. Only a portion of the output is shown. 
# pcs resource -h
Usage: pcs resource [commands]...
Manage pacemaker resources
Commands:
    show [resource id] [--all]
        Show all currently configured resources or if a resource is specified
        show the options for the configured resource.  If --all is specified
        resource options will be displayed

    start <resource id>
        Start resource specified by resource_id
...
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