On Tue, 30 Jan 2007, rwh wrote: > Just to be pedantic, IBMs competitors were Univac, Sperry-Rand, > Burroughs, GE, CDC, Honeywell and a couple others that escape my memory. > HP, DEC, DG, etc. were in the mini-computer market where they got to > compete with the IBM System 3x stuff and eventually Sun, SGI, etc. > You'll probably notice that none of the mainframe guys are around, > except UniSys and I couldn't say whether they still make a mainframe or > not - they were big with utilities in the 60's so its possible. Thanks to everyone for all the historical info. I should point out that IBM does till make mainframes and their vendor lock-in system is still working for them. Check out this article (NY Times, 8 May 2006): http://www.nytimes.com/2006/05/08/technology/08ibm.html?ex=1304740800&en=d98e03e56e9faa78&ei=5088&partner=rssnyt&emc=rss I think you can see that, but if you can't, let me know. Mike