Cfgdelete; Cfgadd; Cfgremove - Dell PowerVault 51F Connection Manual

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The following example shows the cfgDelete command, which deletes an existing
zone configuration:
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The following example shows the cfgAdd command, which adds one or more new
members to an existing zone configuration:
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The following example shows the cfgRemove command, which removes one or
more members from an existing zone configuration:
The members to be removed are found by an exact string match. When removing
multiple members, sequence is important. If this command removes all members,
the zone configuration is deleted.
4-6 Dell PowerVault 5xF Switches Zoning Guide