ASMCMD命令的帮助信息：

[vcdgrid@oracle scripts]$ asmcmd help
        
            asmcmd [-V] [-v ] [--privilege ] [-p] [command]
asmcmd_no_conn_str

        Starts asmcmd or executes the command

        asmcmd [-V] [-v ] [--privilege ] [-p] [command]

        The environment variables ORACLE_HOME and ORACLE_SID determine the 
        instance to which the program connects, and ASMCMD establishes a 
        bequeath connection to it, in the same manner as a SQLPLUS / AS 
        SYSASM.  The user must be a member of the OSASM group.

        Specifying the -V option prints the asmcmd version number and
        exits immediately.

        Specifying the -v option prints extra information that can help
        advanced users diagnose problems.

        Specify the --privilege option to choose the type of connection. There are
        only two possibilities: connecting as SYSASM or as SYSDBA.
        The default value if this option is unspecified is SYSASM.

        Specifying the -p option allows the current directory to be displayed 
        in the command prompt, like so:

        ASMCMD [+DATA/ORCL/CONTROLFILE] >

        [command] specifies one of the following commands, along with its
        parameters.

        Type "help [command]" to get help on a specific ASMCMD command.';

        commands:
        --------

        md_backup, md_restore

        lsattr, setattr

        cd, cp, du, find, help, ls, lsct, lsdg, lsof, mkalias
        mkdir, pwd, rm, rmalias

        chdg, chkdg, dropdg, iostat, lsdsk, lsod, mkdg, mount
        offline, online, rebal, remap, umount

        dsget, dsset, lsop, shutdown, spbackup, spcopy, spget
        spmove, spset, startup

        chtmpl, lstmpl, mktmpl, rmtmpl

        chgrp, chmod, chown, groups, grpmod, lsgrp, lspwusr, lsusr
        mkgrp, mkusr, orapwusr, passwd, rmgrp, rmusr

        volcreate, voldelete, voldisable, volenable, volinfo
        volresize, volset, volstat

[vcdgrid@oracle scripts]$

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Done。