/etc/ispcp/"service_name"/working/ folders?

[ibiza4000]

I noticed within

/etc/ispcp/"service_name"/working/ folders there are copies of the confs,,

for example the /etc/ispcp/bind9/working/ folder contains the zonefiles that are also located

/var/cache/bind/

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can anyone explain the exact nature / reason of the working/ directories within /etc/ispcp/"service_name"/ folder

?

please explain in detail

thanks