[Linux] linux doesn't seem to see added memory

[Warren Pollans]

Hello,

I have just added 128MB of memory (Best Buy special) to my linux box
(400 MHx Celeron) - 196MB total: 64 MB in 1st slot, 128 MB in 2nd - both
are marked PC100.  The BIOS sees it, but it seems that linux doesn't -
Gnome:Utilities:SymtemInfo shows about 64 MB Total Memory that is about
90-98% used.

Question:  Do I need to tell linux (RH 6.1) about the memory? Is there
another tool that will tell me how much memory linux thinks I have?

Thanks,

Warren