Yes, indeed. Good articles in Wikipedia on Scroll Lock and SysRq.
But Wikipedia is as dangerous as it is wonderful - sometimes I just can't seem to stop myself from reading all the related articles in a never ending thirst for information. Found this interesting tidbit in my wandering from this topic...
http://en.wikipedia.org/wiki/UCSD_p-System
Seems that in addition to PC-DOS and CP/M, the original IBM PC also had an OS called UCSD p-System offered, which was a machine independent OS. It used a virtual machine to accomplish this. And, something I hadn't known at all despite being somewhat familiar with Java is the following
Quote:
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James Gosling cites UCSD Pascal as a key influence (along with the Smalltalk virtual machine) on the design of the Java virtual machine.
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But, anyway, back to the Scroll Lock key. I do find it fascinating to remember now how it was useful for scrolling the whole screen instead of moving the cursor. I suppose it's true that scroll bars pretty much make it irrelevant these days, unless one is trying to do something with keyboard only - not such an easy feat these days, unfortunately.