[TUHS] v6 debugging

Noel Chiappa jnc at mercury.lcs.mit.edu
Sun Jan 24 04:03:57 AEST 2016

    > From: Will Senn

    > I have cdb .. How do I exit it. %, CTRL-C, CTRL-D, CTRL-Z, Break,
    > CTRL-Break, and so on just result in a ? being displayed.

CTL-D (EOF on input) works for me? Or maybe the version I have (it was a
binary only that came off the Shoppa disks, IIRC) is slightly different from
the one you have, and that only works in this version (which has a number of

I don't think I ever found any other way to exit it. Although looking at the
code, it seems like probably the only way is to generate a 'quit with core
dump' interrupt - I forget what character that is in standard V6.


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