From mboxrd@z Thu Jan 1 00:00:00 1970 From: bakul@bitblocks.com (Bakul Shah) Date: Mon, 14 May 2018 19:06:02 -0700 Subject: [TUHS] Who used *ROFF? In-Reply-To: Your message of "Tue, 15 May 2018 11:21:22 +1000." References: <20180512110127.0B81418C08E@mercury.lcs.mit.edu> Message-ID: <20180515020611.5A16F156E7DB@mail.bitblocks.com> On Tue, 15 May 2018 11:21:22 +1000 Dave Horsfall wrote: Dave Horsfall writes: > On Sat, 12 May 2018, Noel Chiappa wrote: > > > I'm pretty sure 'ed' was the only editor available at that point. > > I boss I used to work for insisted that we all learn "ed", because one day > it might be the only editor available to you; well, one day he was right, > when /usr on a client's box got creamed after a head crash... Your boss must've been an optimist. I once had to rescue a system where the root dir block was lost. No ed. Luckily our bootrom had commands for peek/poke & disk block IO. The v7 filesystem layout was simple enough and I remembered enough of it that I was able to patch it enough to bring it up and run fsck.