Mark wrote:
> The standard Linux file system, ext2, does not have a
> transaction manager.

The ext3 file system is ext2 plus transaction management.  The only
difference between the file system types is that ext3 has a journal file
registered in the superblock.  You can mount a "clean" ext3 file system as
ext2, and you can turn an ext2 file system into ext3 by simply creating a
journal file and registering it with the file system.

RedHat 7.2 includes the ext3 code and in fact ext3 is now the default file
system type for RedHat installations.  It will also offer to convert your
existing ext2 file systems into ext3 during an upgrade.

Currently Linux (and Unix generally) doesn't yet have the level of
integration between their journaling file systems and applications (like
Image) that MPE does, but it's only a matter of time before this happens.

> Just wondering out loud here, if you still have the PA-RISC Cobol 85
> compiler and you run it in the emulator, would it create PA-RISC
> executables?

Of course.  Though the right term would be "object files" rather than
"executables" since generally compilers don't create ready-to-run output but
rely on some "linker" program (which might be invoked transparently).

G.

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