this started as a post from 2020
first PIP can copy between users.
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1. Move to the new user space, e.g.
A0> USER 1
2. Copy the file over, appending
[Gn] where
n is the source user space e.g.
A1> PIP ZORK1.COM = ZORK1.COM[G0]
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you don't need to go nuts looking for a special version of copy the native CPM has you covered.
LBR files are actually amazing and most users today are unaware of how you can use them.
LBR is a archive like ZIP but its more then that.
when disk space was a premium the wizards of old figured out how to run binaries directly out of LBR archives.
they would compress an amazing array of system tools and applications into LBR archives placed in the USER 0 of the main boot disk and then you could use "LRUN"
and run directly from archive saving you not only disk space but also file allocation space.
5 files would take up not only drive space but 5 possible file spots in the stock cp/m 2.2 O/S when you only had 256 to play with.
LRUN had some limitations and so many people came up with replacements to get around limitations.
Lots of utilities make use of .LBR (Library) files to provide extra facilities such as the ability to run commands from archives or mount them as if they were dr
techtinkering.com
here is an amazing launcher
R program launcher for CP/M 2.2, Inspired by TOPS-10 R CUSP - GitHub - ratboy666/r: R program launcher for CP/M 2.2, Inspired by TOPS-10 R CUSP
github.com
hard drive mod allowing 1024 files making use of USER more important as sub directories.
https://github.com/ratboy666/hd1024
there are also tools like CHDIR that define the USER areas as directories
i have a duel 5mb hard drive setup for my altair with 2 360kb drives. my cp/m is hacked to use 1024 file entires.
i have a COMMAND.LBR on my A: in USER 0
and i use the R.com from
https://github.com/ratboy666/r to run everything from the command.lbr archive.
i have wordstar, Mbasic in there and over 100 utilities. all saving space.
its a way of thinking and file management that has been lost to time as drives became cheap and large there was no point in all this on the fly compression and decompression, dos users never went through this.
something you can explore as its amazing.