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- Short: A compressing disk device v37.5; uses XPK
- Uploader: rhialto@mbfys.kun.nl (Olaf Seibert)
- Type: util/pack
-
- RCSId: $Id: README,v 1.3 1993/11/08 13:22:13 Rhialto Rel $
-
- Overview
- ********
-
- `xpkdisk.device' is an exec-style device that looks like
- trackdisk.device and similar disks. The difference is that it compresses
- its data and stores it in multiple files in an existing filesystem.
-
- * Now includes a utility to reclaim space from deleted files.
-
- * Now uses a hierarchical track naming scheme for faster access!
-
- * Now behaves better in cace of threatening lack of disk space.
-
- * Now handles read-only media.
-
- It uses the XPK (eXternal PacKer) standard to do the actual
- compression. This has many advantages:
-
- * You can choose which compression is most effective for your
- purpose. For one disk, you might want a very tight compression
- that is slow, for another you may prefer a faster but less
- efficient compression.
-
- * As soon as another XPK library is released, you can use it for your
- compressed disk(s).
-
- * Because each track is a standard XPK-compressed file, you can use
- the normal XPK utilities to uncompress your data, should you wish
- to do so.
-
- * You can change the compression type of a disk on-the-fly. All
- already compressed data remains perfectly usable, but upon
- re-compression your new choice will be used.
-
- * You can even manually decompress and recompress your disk (when
- xpkdisk is not accessing it, of course) with another compression
- method.
-
-