[TUHS] Line Numbers Before SysIII nl? BSD num?

Douglas McIlroy douglas.mcilroy at dartmouth.edu
Sun Jul 24 12:42:02 AEST 2022

I've not seen an earlier post of mine on this topic; apologies if this
is a duplicate. Roff was probably the earliest way to get a
line-numbered file listing. Of course it took a bit of chicanery to
apply it to a roff input file, but even that was not a big shell

As has often been told, Joe Ossanna used to promise of line numbers
(required by USPTO) to attract the Bell Labs patent department as the
first Unix "customer".


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