[comp.unix.questions] command interpreters

forys@boulder.UUCP (05/20/87)

In article <1135@byzantium.swatsun.UUCP> schwartz@swatsun
(Scott Schwartz) writes:
> Speaking of fun command interpreters, Primos supports a command
> language that penalizes you for hitting <break> too many times

Wait!  It wasnt a penalty -- it was a feature!!  Besides, arent you
warned of the impending doom with something like:

	AT STACK LEVEL 40, USE `RLS' TO RELEASE

As I recall (four years ago?), the feature was that each <break> caused
assorted contextual information regarding the terminated process to be
pushed on a stack (for debugging purposes).  Well *eventually*, the stack
overflows (what stack wouldnt? :-), the abbreviations (i.e. aliases) are
tossed, and the stack cleared.  There's certainly more to this, but ...

OK, PR1MOS is to UNIX, as Railroads are to Planes (nostalgic :-).
---
Jeff Forys @ UC/Boulder Engineering Research Comp Cntr (303-492-6096)
forys@Boulder.Colorado.EDU  -or-  ..!{hao|nbires}!boulder!forys