Filesystem

File Formats

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Electronic File Formats

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Filesystem

Filesystems are Electronic Formats that are a prerequisite to being able to read any file off a digital medium — you have to be able to mount the filesystem, and thus read it, in order to be able to read a file.

• Acer Fast Filesystem (SCO OpenServer)
• ADFS (Acorn MOS, RISC OS)
• AdvFS(Advanced File System, Digital/Tru64 Unix)
• Ami File Safe (Amiga)
• Apple DOS file system (Apple II)
• AthFS (AtheOS/Syllable)
• BFS (BeOS)
• btrfs (Linux)
• CBMFS (Commodore 64)
  • CMDFS (CBMFS extension by Creative Micro Designs)
• CP/M file system
• DDFS (Data Domain File System)
• DTFS (Desktop File System, SCO OpenServer)
• EFS (Extent File System, SGI IRIX. Replaced by XFS)
• exFAT (Microsoft, for flash memory)
• ext (developed for Linux, previously used MINIX fs)
• ext2, ext3, ext4 (these are all just variants of each other)
• F2FS, (Flash Friendly Filesystem)
• FAT12
• FAT16
• FAT32
• FFS (Amiga Fast File System)
• Files-11 (VMS)
• Fossil (Plan 9)
• HAMMER (DragonflyBSD)
• HFS
• HFS+
• HPFS (OS/2 native file system)
• ISO 9660
• JFFS2
• LanyFS (Lanyard Filesystem)
• LogFS
• MDR (audio instrument format close to MSDOS)
• MFS (ancient Macintosh filesystem)
• MINIX file system
• NILFS2
• NetWare File System (Novell NetWare, replaced by NSS)
• NSS (Novell Storage Services)
• NTFS
• POHMELFS (distributed Linux filesystem)
• PRAMFS (Persistent & Protected RAM File-System)
• ProDOS file system (Apple)
• QFS
• ReFS (Microsoft's new FS- Resilient Filesystem, on Windows 8 Server)
• ReiserFS
  • Reiser4
• SDFS (Deduplication based filesystem)
• SkyFS (SkyOS)
• squashfs
• UCSD p-System Filesystem (UCSD Pascal)
• UDF
• UFS (Unix Files System, Solaris and BSD)
  • UFS2
• VMUFAT (Filesystem for Dreamcast VMU units)
• VxFS
• WAFL (NetApp's commercial file system)
• Xiafs (Linux, dropped in favour of ext2)
• XFS (SGI)
• XtreemFS, (Linux, distributed file system)
• YAFFS
• ZFS

Format details

• MBR (Master Boot Record)
• Resource fork