This article is from a FAQ concerning SCO operating systems. While some of the information may be applicable to any OS, or any Unix or Linux OS, it may be specific to SCO Xenix, Open There is lots of Linux, Mac OS X and general Unix info elsewhere on this site: Search this site is the best way to find anything.
This is an ancient post with no relevance to modern systems.
Hardly an issue nowadays, but for those with ancient systems:
If you're running Xenix, or a version of Unix prior to 3.2v4, I'm afraid you're stuck. Unix 3.2v4, however, includes long filename support on all EAFS filesystems. OSR5 adds two new filesystems, HTFS and DTFS, which also support long filenames. Unixware 7 also supports long file names. More information on long filenames can be found in the section dealing with Unix.
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The history of the world teaches us that succession is dangerous and that the strong take what they want. It's not likely to be any different with Linux. (Tony Lawrence)