Tru64 is just the new name for Digital Unix which was simply a new name of
OSF1. Many more features in 4.0 and 5.0. Tru64 is qualified under virtually
all the standards test suites. It is fully compliant with the Unix95
standard, and also with SVID. I have not installed it in a while, but they
used to ship quite a bit of GNU software with the unsupported CD. Some
things such as FLEX and AWK are shipped with the base system. I also seem
to remember that they needed gcc for some od the test suites. The DECC
compiler is also a good optimizing compiler. Although the compiler is
licensed, the default compiler on the system is both ANSI compliant as well
as K&R capable. All the commands operate within both Unix95 standards and
SVID standards when both can coexist. They used to have a SVID habitat
where you would be able to get a fully compliant System V system. Also, the
kernel has a streams interface so that system V code using the System V
streams capability can be ported. Tru64 also supports clustering, with many
advanced clustering capabilities in the 5.0 release. I am currently running
4.0F on my desktop, but also use 5.0 since the product I am working on must
work on both releases. Digital has always been very strict in maintaining
binary compatibility, and many programs written on the 4.0 stream will work
on 5.0 with no recompilation. In 5.0 they did change some structures, such
as utmp and some of the file system internal structures, so a staticly
compiled binary on 4.0 may not work on 5.0 if it uses utmp or f-stat. The
5.0 system also uses 64 bit time although time_t is still 32 bit. The older
Unix standards prevent the switchover until Compaq decides to become
compliant with Unix98 or later.
Maybe Mark Gelinas of one of the people in the standards and testing area
can comment.
Derek Martin wrote:
> Bah, HTML... Anywayz, my question is to you Jerry, and all the other old
> DECies out there. How does Tru64 Unix compare to OSF/1 and/or Digital
> Unix (version 3 maybe?), and how do those compare to Linux, from an
> administrative perspective.
>
> Obviously it's a 64-bit OS, but I'm not really interested in that. I'm
> interested in the directory structure, the management commands, how much
> free software (i.e. GNU utils) ships with the OS... yada yada yada.
> How POSIX compliant is it, is it more SysV or BSD-ish? Comment on this
> in whatever way you feel like it.
--
Jerry Feldman <[EMAIL PROTECTED]>
Boston Linux and Unix user group
http://www.blu.org
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