NTFS permissions in windows server 2012

how to enable permissions in following way:

Main folder name: Thecompany   ............ everybody should have access
subfolders as depts like : Finance--------------everybody should have access for listing
                                             HR --------------------everybody should have access for listing
                                             IT---------------------everybody should have access for listing
and inside subfolders there are some other subfolders example in Finance dept folder

                                                    aaaa  -----------this folder should have access for everybody including fullcontrol
                                                    bbbb------------only finance people have access on this folder including fullcontrol
and so on....

how can i achieve this.
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David Johnson, CD, MVPOwnerCommented:
don't give anyone full control since they can change the permissions to allow other members
thecompany  - domain users read/write/modify
thecompany\finance domain users/read/write/modify
thecompany\finance\public\ domain users/read/
tjhecompany\finance\private\   members of the finance group read/write/modify
                                                         members of the executive group read
thecompany\it-department\public   domain users read/write/modify
thecompany\it-department\private  it-staff group read/write/modify

and so forth don't forget to disable inheritance at the more secure levels

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...and remember: it's not only NTFS permissions, what this is about, but also share permissions. At the share level, use everyone:modify and nothing else.
Lee W, MVPTechnology and Business Process AdvisorCommented:
If it must be that way, it must be that way, but I strongly encourage you to reconsider the layout.  In general, a SHARE should have all the same permissions - it's MUCH, MUCH easier to manage that way.

Don't create a single share called "thecompany".  Create several shares - IT-Department, HR, Finance, etc.  If you need some things to be public, fine, but not the whole thing - the public stuff, share in "Common" or something.  In my experience, it's much easier to handle things like permissions resets when you can simply right click a folder and apply rather than worry how all the sub folders might have changed.
Right. And to "re-collect" the shares, one should use DFS.
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Windows Server 2012

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