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Which of the following file systems is used primarily for Unix-based operating systems?

  1. NTFS

  2. FAT

  3. VMFS

  4. UFS

The correct answer is: UFS

The option UFS, or the Unix File System, is primarily used for Unix-based operating systems, making it the correct choice. This file system was specifically designed to meet the needs of these operating systems, providing features such as support for large files and efficient disk space utilization. UFS offers advantages in terms of performance, and it is tailored to work well within the Unix environment, where it handles hierarchical directory structures and large files more effectively than some other file systems. The other file systems listed serve different purposes. NTFS is primarily associated with Windows operating systems, providing advanced features such as file permissions and recovery capabilities. FAT (File Allocation Table) is an older file system that is largely used in smaller storage devices and is compatible with various operating systems but lacks the advanced features required for modern computing environments. VMFS, or the Virtual Machine File System, is specifically designed for virtualized environments and is used by VMware products, making it unsuitable for Unix-based operating systems. Thus, UFS is distinctly positioned as the file system for Unix, illustrating its appropriateness in this context.