The software used to organize and manage the data stored on disk drives. In addition to storing the data contained in files, a file system also stores and manages important information about the files and about the file system itself.

Modern File Systems

UFS:  The archetypal Unix file system still widely available from Unix vendors such as Sun and HP.

VxFS: The Veritas File System, a commercially developed file system available on a number of Unix platforms including Sun and HP.

NTFS: The file system designed by Microsoft for Windows NT.

Support for Large File Systems –UFS

Designed at a time when 32-bit computing was the norm.

Originally only supported file systems of up to 2^31 or 2 GB.

Most current implementations have been extended to support larger file systems.

Sun extended UFS in Solaris 2.6 to support file systems of up to 1 TB(2^40 bytes).

Support for Large File Systems –VxFS

The maximum file system size supported by VxFS depends on the operating system on which it is running.

For instance,

HP-UX 10—- max FS size is 128 GB.

HP-UX 11 —-max FS size is  1 TB.

Support for Large File Systems-NTFS

NTFS provides a full 64-bit file system, theoretically capable of scaling to large sizes.

However, other limitations result in a “practical limit” of 2 TB for a single file system.

Unix Inode.vsd

https://www.bestitdocuments.com/Samples