System V R 3.1,3.2,3.3, 4 ? What's the diff ?

[J.T. Conklin]

In article <1990Oct23.015640.23819 at melb.bull.oz.au> sjg at sun0.melb.bull.oz.au (Simon J. Gerraty) writes:
>Ok, I have asked all the System V guru's I know.  (Even tried
>AT&T :-) and  have got nowhere.  So perhaps the net can help.
>
>Can anybody provide a list (succinct if possible) of the major
>changes introduced with System V 3.1,3.2 etc.  A reference to a
>suitable source would also be useful.

I got this from the UNIX System V Release 4 Migration Guide:

Release 2.0 Features
	Self-Configuration
	Dynamic Disk Partitioning
	File System Hardening
	Advisory File and Record Locking
	Shell Enhancements (Job Control)
	System Administration Menus (sysadm)

Release 2.1 Features
	Demand Paging
	Manditory File and Record Locking

Release 3.0 Features
	Remote File Sharing
	STREAMS
	Transport Level Interface
	Listener
	Shared Libraries
	getopts
	Signal Mechanism Enhancements
	Improved Facilities for Supporting Terminals

Release 3.1 Features
	Support for Eight-Bit Code Sets
	Support for Alternate Date and Time Formats
	Support for Alternate Character Classification and
		Conversion Rules
	New awk (nawk)
	Improved Recovery of Files from cpio Archives
	Incremental Backup of Nested Files
	Swapping the User Area
	Smaller and Faster Curses

Release 3.2 Features
	Enhanced System Security
	2K File System Utilities
	Framed Access Command Environment
	Form and Menu Language Interpreter
	Enhanced curses

    --jtc

-- 
J.T. Conklin	UniFax Communications Inc.
		...!{uunet,ubc-cs}!van-bc!jtc, jtc at wimsey.bc.ca