NTFS (NT File System) is a, um, file system. It’s one of several. It’s the file system I recommend, my editor recommends, Microsoft recommends, and various other experts in the field recommend. Hopefully it’s the file system you’re using now.

If you aren’t familiar with file systems, they are the basic machinery for managing your hard drives, and with Windows, you have the option of choosing between two types: NTFS and a version of FAT (short for File Allocation Table). NTFS is the most powerful because it offers enhanced security features over FAT, including file-level security, compression, and auditing. It also works much better with large disks than other file system configurations do; NTFS supports various file storage solutions, ...

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