differences between OS Releases

[Grant Schoep <grant@xxxxxxxxx>]

	Recently, a group of developers came up to me and stated they "NEED" V4.0e 
NOW. Well, as I handle all requests like this, I want to fully understand 
the differences first, before I comply or deny(ever so fun) these "requests".
	Here's our situation. I have about 6 machines running 4.0d. 
All  AlphaStations, 333mhz and up. I know there is 4.0e, 4.0f, and soon 5.0 
out. I also heard someone say that 4.0e really isn't a newer version that 
4.0d. But 4.0f is. So if someone could straighten me out on the differences 
to these versions I would be happy to summarize.
	I tried searching through the Archives, but didn't have much luck. Is 
there a search engine out there for the archives? Also, didn't see much of 
Digital's, well... Compaq's webpage.
thanks

		-grant

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Grant Schoep, grant@xxxxxxxxx
System/Network Administrator
L3 Communications Telemetry & Instrumentation
San Jose,CA (408)271-0800, Ext. 135