Windows registry Notion


### OS, 응용 프로그램 Config 계층형 데이터베이스

- Root Key
> - Master Key
>> - HKLM - Local
>> - HKV - Users
>> - Permanent File - Windows\System32\config
> - Derived Key 
>> - Master Key 상속
>> - Login 때 생성 - Not Permanent File (Users\Account\NTUSER.dat)
- Sub Key
> - Hardware
> - Software
> - Account
> - Security
> - System

> HKEY - Hive Key


```type( keyname, type, data )```


- Important Subkey
> - Prefetch
> - shellbag
> - Userassist