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i do have one and which is untouched

A RS6000 250 is a PowerPC machine so a somewhat simplified POWER1.

Isn't this a early power machine ? If so, that CPU is a multiple dies in different packages CPUs, and compared with other RISC CPU's from that era it's instruction set is COMPLICATED.

and if i'm not wrong Korn shell support alias so: --- alias dir="ls $@" ---

In Korn shell, it is fairly easy to implement 'dir' : do it as a function which runs /bin/ls. somehthing like this: --- dir() { /bin/ls "@$" } --

part of reason is probably that it isn't easy describing a terminal like a 3476 in terminfo, and so ncurses is gonna have a bit problem, and programmers gets trouble differing between broken terminfo and broken code in edge cases like a block-mode terminal.

Would it be possible to tell lvm to mirror the two physical volumes to two LUNs (ie two different scsi ids) on a zuluscsi ? Later versions of AIX allows to mirror a volume group on another PV, mirrorvg is the command in that case. I know that i stretched my rootvg in my machine.

Partly because Sun had a rather loyal following of sys admins and programmers who did a lot of design and programming for SPARC and SunOS and which was shared with others. IBM was never really interested in building a community like that.

Hardcore x11 programming !:) Or is it X11 at all ?

youtube Mainframes & More with Matthew (Wilson) has covered installing different version of IBM OS on System i machines (power 8 and 9.) The episode there he works with disk and reset of machine is system specific (the system is much newer than yours) but he installs VIOS which basically is...

The trouble is getting sw - personally i'm on lookout for Microstation and FRAME (and OSE etc.) All is today and then U60 was current in the 4-5 digits price category, and why ? because maybe i want to compare late 90s sw to todays, maybe i dont like current Windows based version of them ?

Basically the first computer which was simple enough and cheap enough to be dedicated to one engineer as his/her calculating machine. 20 years later replaced in that role by the mini calculator.

CADAM and Dassault's CATIA .

bash and tcsh was available early on, not really hard to build by yourself (if you have a c compiler....) Personally I did in fact build most of the gnu toolchain 93-94 on sunos 5.5 and got it working. Including gnat and at least one cross-compiler tool chain (did a build of Nachos for the...

The Sun 2/120 will go to 7 MB with a bit of hack, my own has 4 MB (which was supported.)

Took out my 380 yesterday. Did i got lucky - the machine complained about missing disk (closed door) so i opened the disk drive doors and rebooted and the machine came up in P/OS. Did i got lucky that the HD works and the PSU didn't blow up on things ? So how do i test the PSU to verify that...