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Windows 7
1. Windows 7
where Each Can Be Implemented in Case
Editions
File Systems
Why Computers Go Slow And Their Remedies
2. Editions
Windows 7 Starter
Windows 7 Home Basic
Windows 7 Home Premium
Windows 7 Professional
Windows 7 Enterprise
Windows 7 Ultimate
3. File Systems
File System is a structured data representation and a set of metadata that
describes the stored data.
File Systems for Windows include:
- FAT (File Allocation Table )
-NTFS (New Technology File Systems)
-ReFS(Resilent File Systems)
4. FAT(File Allocation Table)
It’s a simple type compared to the other types
It consists of:- --Descriptor Sector (Boot sector)
-- File system block allocation table
--Plain Storage space for files and Folders
There extra numbers added on FAT stand for the number of bits used to
enumerate file system blocks. I.e.
FAT 16:- this was used in old floppy disk technology
FAT 32:- this is currently and widely used in Flash disks and Memory Card. It can
hold up to 32GB of Data in Windows
5. NTFS (New Technology File System)
Its was introduced By Windows NT and its currently the major file system for
Windows.
It’s the default file systems for all hard disks beyond 32Gb
It supports more file properties including Access controls and Encryption
Each file on NTFS if stored as a descriptor in the master file table
The MFT contains allow information about the files
The First and Last sectors contain the file system settings
NTFS uses 48 and 64 bit values to reference
6. ReFS (Resilent File system)
It’s the latest development of Microsoft and its for only windows 8 servers
Its deferent from the previous types its Architecture is in B+-tree form.
It has high tolerance to failures achieved due to the new features in the
windows 8 system. I.e. Copy-On-Write(CoW)
No metadata is modified without being copied
No overwriting the exiting Data
It creates links between the new files and the old backup which makes it easy
for recovery unless if the sectors have been overwritten or erased.