On 4/14/2000 at 23:04, wm@biol.uni.wroc.pl (Wojtek Mitus) wrote:

> I'm a complete newbie to the NetBSD, and Mac UNIX so excuse me for this
> maybe stupid questions:
> 
> I have a LC III with 8 MB RAM and fresh install of the 1.4.2
> 
> Whe I do "cat /kern/physmem " I get 2048 ( KBytes ? ), when I look at
> dmesg I see the following lines:
> 
> real mem = 8388608
> avail mem = 4517888
> 
> Why only 4MB avaliable memory ?? and why physmem shows only 2MB ??
> 

I don't know about /kern but I believe "avail mem" is the memory not being used for the kernel. You can build a smaller kernel and free up some of that memory. See the kernel building docs on netbsd.org. You'll need something like 100 MB free diskspace for the source and objects.