I think I saw my first computer connection in about 1967. It was a teletype connection via audio modem (you laid the phone handset in a cradle that had a microphone and speaker in it) and the computer was in Texas, I think. (I'm in New York.) Probably the modem did about 128 BYTES per second, I don't remember, if I ever knew. But teletype machines were pretty slow, so who cared. The system would run BASIC and Fortran. I don't believe it could handle machine language over the phone. Does anyone remember Nancy Young? She was the NY sales rep from one of these time-shared companies, and she was a really pretty lady. Those were the days, however. Every engineer learned to write in one language or the other--Fortran was the school language for the younger guys, BASIC was the language the ones who never learned Fortran wrote in. Every batch of equations that needed to be solved more than once became a BASIC (Fortran) program. I still have a batch of them that I or someone else wrote, and I still use some of them. (I converted them from Teletype tape to more modern media in steps, as I remember, with an intermediate step being audio tape. I can't remember what kind of computer did this. It might have been an HP machine. Way before CPM.) [When CPM came along, I built a machine called "the Big Board" and had one of the first home computers. CPM worked just as well as DOS, but had somewhat different commands. The computer had a whole 64 KB of ram, just the same as the Atari, but it worked a bit differently. No video games. The Atari had a real operating system, unlike the Commodore, and it was mainly aimed at graphical apps to feed to a TV set, as was the Commodore. Very early games, but some of the Atari stuff was pretty sophisticated. There was one called "Eastern Front," I think it was, that let you be Germany fighting Russia in WWII.] It was a glorious time. Practically nobody writes any discrete software nowadays--everything is available in some form, already done. My Microstrip design software that I crudely wrote is done in fancy form on some kind of Windows system--not once but by 10 different software firms. The most anyone does anymore is to write for a spread-sheet. (A form I detest, BTW.) MathCad does everything else, if you can get thru the world's worst editor. (I can't.) Just a little memory trip. --doug At 12:13 02/06/2003 -0500, Patrick Shanahan wrote:
* Graham Murray <graham@gmurray.org.uk> [02-06-03 01:56]:
zentara <zentara@zentara.net> writes:
I think it would be better to ask why Windows does it with CRLF? Mac uses CR, so why would Windows waste all those bits?
Think back to the old teletypes and typewriters. CR moved the carriage back to column 1 and LF advanced the paper. So the computer had to send both. As it took longer for the carriage to move than for the paper to advance the CR was sent first.
Because the reliability was so poor, we always send <cr><cr><lf>. Beware, probably 80% of the computer world does not realize that the computer's grandfather was a teletype machine. -- Patrick Shanahan http://wahoo.no-ip.org Registered Linux User #207535 icq#173753138 @ http://counter.li.org
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