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VERITAS File System 3.5 (HP OnlineJFS/JFS 3.5) Administrator's Guide: HP-UX 11i v2 > Chapter 1 The VERITAS File System
Application Interface |
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VxFS conforms to the System V Interface Definition (SVID) requirements and supports user access through the Network File System (NFS). Applications that require performance features not available with other file systems can take advantage of VxFS enhancements that are introduced in this section and covered in detail in Chapter 4 “Application Interface”. In most cases, any application designed to run on native file systems will run transparently on VxFS. VxFS provides some facilities frequently associated with commercial applications that make it possible to:
Because these facilities are provided using VxFS-specific ioctl system calls, most existing UNIX system applications do not use them. The cp, cpio, and mv utilities use the facilities to preserve extent attributes and allocate space more efficiently. The current attributes of a file can be listed using the getext command or ls command. The facilities can also improve performance for custom applications. For portability reasons, these applications must check which file system type they are using before using these interfaces. |
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