add directory Minix

Minix/2.0.0/changes-2.0.0

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+Short list of differences between 1.7.4 and 2.0.0:
+
+  - Lots of manual pages replaced or added to describe the system and
+    library calls better (manual sections 2, and 3).
+
+  - Little bug fixes so that the CD-ROM doesn't look too bad.  :-)
+
+Contributions:
+
+  Will Rose <cwr@cts.com>
+  	Changes to postmort and a manual pages.
+  	Various bug reports and comments.
+
+  Albert S. Woodhull <awoodhull@hampshire.edu>
+	Speling error fixes, extra code comments, code rearrangements.
+	Source of late changes just before putting Minix 2.0 together.
+
+  Michael Temari <temari@ix.netcom.com>
+	Updates to his network programs.  Scanf() fix.
+
+  The VU students that tried the 1.7.5 test CD-ROM.
+	Lots of comments on the manual pages and the installation procedure.
+
+Long list of differences between 1.7.4 and 2.0.0:
+
+  (Warning: This list is riddled with lame jokes and other silly things that
+  happen to sneak in when doing something as boring as compiling this list.)
+
+  man/cat[23]/
+  	Removed in favour of real manual pages in man[23].
+
+  man/man0/
+  	Most of these manual pages are transformed to normal man(7) style
+  	and put into section 1 or 8.  Leftovers are put in section 9.
+
+  man/man*/
+  	Lots of old BSD4.3 manual pages checked and changed for use under
+  	Minix.
+
+  ./src/boot/boot.c
+  	Bug fixed where the menu hangs if you type an odd key like an
+  	arrow key.
+
+  ./src/commands/ash/
+	Files echo.o, errmsg.c, errmsg.h, and expr.o removed.  They were
+	sitting there doing nothing.
+	Type warnings fixed.
+
+  ./src/commands/cawf/dumb.dev
+  	Paper size changed from 11 inch (66 lines) to 10 inch (60 lines),
+  	because they don't make good printers anymore.
+
+  ./src/commands/cawf/man.mac
+  	\*(lq and \*(rq added for left and right double quote.
+
+  ./src/commands/flex-2.3.7/
+  	Warnings on flex.l suppressed.
+
+  ./src/commands/ftp/
+  ./src/commands/ftpd/
+  	Updated to Michael's latest code.
+
+  ./src/commands/ibm/part.c
+  	More changes in the ongoing attempt to make part a wee bit
+  	user-friendlier.
+
+  ./src/commands/ibm/postmort.c
+  	Changes from Will Rose to "increase its functionality".
+
+  ./src/commands/scripts/DESCRIBE.sh
+  ./src/commands/scripts/MAKEDEV.sh
+  	Allow 7 virtual console devices to be made/described.
+
+  ./src/commands/scripts/checkhier.sh
+  	Add /usr/spool/lpd, remove lpr, check lpd, kludge around a shell
+  	memory leak.
+
+  ./src/commands/scripts/makewhatis.sh
+  	Don't look into cat pages anymore, only do man[1-8] and man9.
+
+  ./src/commands/scripts/mkdist.sh
+  	Add more command to USR, install /etc/issue on ROOT that tells you
+  	to login as root and run 'setup'.
+
+  ./src/commands/scripts/setup.sh
+  	Upgrade capability removed, too confusing for a first time user
+  	that wants to retry the installation.  Some bits of text adapted.
+  	Change /etc/issue on first run, remove on second run.
+
+  ./src/commands/simple/expr.c
+  	Two fencepost errors fixed.  Amazing it ever did the things I like
+  	to do with it.
+
+  ./src/commands/simple/in.rshd.c
+  	Set PATH=:/bin:/usr/bin for the command to run.  "Read failed", and
+  	"killing %d with %d" messages removed.
+
+  ./src/commands/simple/leave.c
+  	Carriage returns added to the messages to put them on the screen
+  	better.
+
+  ./src/commands/simple/lp.c
+  ./src/commands/simple/lpd.c
+  	Replacements for lpr that do spooling.
+
+  ./src/commands/simple/lpr.c
+  	Removed.
+
+  ./src/commands/simple/man.c
+  	Search path changed from sections 0-8 to 1-9, where 9 now contains
+  	"book style" manual pages.  Too early exit bug fixed.
+
+  ./src/commands/simple/synctree.c
+  	Problems on a sync between a systems with and without symlinks
+  	fixed by properly complaining about the weird file and continuing on.
+
+  ./src/commands/simple/tar.c
+  	Error messages changed from things like "Can't make directory bin"
+  	to "Can't make directory bin: File exists".
+
+  ./src/commands/simple/tcpd.c
+  	Added comment that -DPARANOID requires 8kw stack.
+
+  ./src/commands/simple/term.c
+  	Command added to hang up the phone (+++ ATH).
+
+  ./src/commands/talk
+  ./src/commands/talkd
+  	New network commands by Michael.
+
+  ./src/commands/yap/keys.c
+  	Allow one to move up or down with the arrow keys.  (Yap == more).
+
+  /etc/rc
+  ./src/etc/rc
+  	Start a shell if mounting /usr fails.
+  	Start talkd if networking enabled.
+  	Clean up /usr/spool/lpd/ and /usr/spool/locks/.
+  	Show /etc/issue.
+
+  ./src/fs/cache.c
+  ./src/fs/device.c
+  ./src/fs/filedes.c
+  ./src/fs/link.c
+  ./src/fs/main.c
+  ./src/fs/misc.c
+  ./src/fs/open.c
+  ./src/fs/read.c
+  ./src/fs/stadir.c
+  ./src/fs/table.c
+  ./src/kernel/console.c
+  ./src/kernel/dmp.c
+  ./src/kernel/driver.c
+  ./src/kernel/keyboard.c
+  	Rearrangements by Al.
+
+  ./src/kernel/keymaps/scandinavn.src
+	New "Scandinavian" keymap.
+
+  ./src/kernel/printer.c
+  	Changed to report the number of bytes printed just before the printer
+  	runs out of paper.  Next write returns EAGAIN.
+
+  ./src/kernel/proc.c
+  ./src/kernel/protect.c
+  ./src/kernel/pty.c
+  ./src/kernel/tty.c
+  ./src/kernel/tty.h
+  ./src/kernel/type.h
+  	Rearrangements by Al.
+
+  ./src/lib/Makefile
+  	Attempt to fix a library rebuild problem by properly removing any
+  	leftover .o files on a 'make clean'.  The attempt failed, you
+  	sometimes have to type 'make install' twice to get the library
+  	to rebuild completely.
+
+  ./src/lib/ansi/errlist.c
+  	EAGAIN error string changed from "No more processes", to "Resource
+  	temporarily unavailable."
+
+  ./src/lib/i86/rts/setjmp.s
+  	Excessive .extern's removed that made setjmp pull in printf, etc.
+
+  ./src/lib/other/bcmp.c
+  ./src/lib/other/bcopy.c
+  ./src/lib/other/bzero.c
+  	Type errors fixed.
+
+  ./src/lib/stdio/doscan.c
+  	Fix for scanf("%[^ \t\n]", input) reading one character too many.
+
+  ./src/mm/break.c
+  ./src/mm/const.h
+  ./src/mm/glo.h
+  ./src/mm/main.c
+  ./src/mm/signal.c
+  ./src/mm/table.c
+  ./src/mm/trace.c
+	Rearrangements by Al.
+
+  ./src/test/
+  	I changed something that may fix problems with leftover test
+  	directories.  I have again resisted the temptation to remove
+  	the tests entirely.  (The tests mostly test my patience.)