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Date:Mon Mar 23 13:48:20 2000 
Subject:Re: forwarding message from Jonathan Cunningham (with comments) 
From:Jason Handby 
Volume-ID:1000323.01 

Aaron wrote:
> An alternative to having lots of environment variables in order to allow
> parts of the directory tree to be changed for various purposes, while
> sharing the rest, would be a mechanism for generating a copy of the
> whole system made entirely of symbolic links to a "master" copy.
> Then one could change bits of the copy by deleting the symbolic links
> and replacing them with new versions of the files. (A variant of this
> is actually used in the "master" development directory, at sussex,
> which I've copied to
>     http://www.cs.bham.ac.uk/research/poplog/src/master
> where hard links rather than symbolic links are used.)


My RedHat 6.1 distribution has a program called lndir which seems to be for
exactly this purpose :-)  I don't know how widely available this is in other
flavours of UNIX though...


>Now, will this cross the mail->news gateway and get into comp.lang.pop
>
>Aaron


It seems to have worked :-)




Jason