[Coladam] More fun adventures in CP/M
jblenkle at sacnews.net
Fri Feb 19 22:05:13 CET 2010
Daniel...thanks, but that doesn't quite answer my question as to what
program puts a "Y" in the middle of the extension name or what you need to
I think you covered just about every other file name extension but that
Does your paper mention CYM, DYC or BYC?
----- Original Message -----
From: "Daniel Bienvenu" <newcoleco at yahoo.fr>
To: <coladam at adamcon.org>; "Joe Blenkle" <jblenkle at sacnews.net>
Sent: Friday, February 19, 2010 11:51 AM
Subject: Re : [Coladam] More fun adventures in CP/M
The following came from a paper titled "Everything you wanted to know to
start you off with CP/M". It confirms your supposition about compression.
With CP/M, to get the listing of the files, you'll type DIR<Ret> and this is
what you might see :-
A:> FILENAME.COM (Runnable file)
A:> FILENAME.BAK (Backup file)
A:> FILENAME.LBR (Library file)
A:> FILENAME.DOC (Documentation file)
A:> FILENAME.ARK (Archive file similar to library file but further
compressed - use UNARCxx.COM to decompress)
A:> FILENAME.DZC (Crunched file - use UNCR.COM to decompress)
A:> FILENAME.DQC (Squeezed file - use UNSQ.COM to decompress)
You may find that a library file will contain a number of compressed files.
These will have to be DELIBed and then decompressed in 2 seperate moves.
Generally archived files can be extracted and decompressed in one move which
is the main advantage of archive over library files.
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