This month's Linux journal has a great article on SIMH and
running an emulation of Unix R5. I took
a look at the simh.trailing-edge.com
site and found that they also had an emulation of the old IBM accounting
machines and a software kit for the SPS (Symbolic Programming System)
assembler. SPS was the first language I ever learned (the second was
Cobol), so this brought back memories.
For you other old timers, maybe you flipped switches on a MITS Altair
8800 - they have that, too. Lots of PDP stuff; this is an incredibly
The young folk might want to pull down a little of this stuff just
to see why we old timers are as grumpy as we are: this is the software
that molded us. It could also be amusing to look at sources and see
the beginning of security problems that are still with us today.
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