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Getting Started as an MPE/iX Programmer Programmer's Guide: HP 3000 Computer MPE/iX Computer Systems > Chapter 2 Utilities and Tools

DISCFREE

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DISCFREE is a utility that reduces the amount of fragmentation on a disc. Fragmentation is a term used to describe the extent to which files are physically divided up on a disc. As disc space becomes fragmented, smaller and smaller amounts of contiguous space are available, and files must be broken into smaller and smaller pieces to fit. Fragmentation has a negative effect on system performance and is highly undesirable.

You can use DISCFREE to:

  • Determine free space on the disc.

  • Perform a START NORECOVERY to correct fragmentation.

  • Obtain a detailed format of free space (HISTOGRAM)or free space allocation (ALLOCATION) on discs.

For more information on using DISCFREE, refer to Volume Management (32650-90045).

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