File caching and the like. I have 128M RAM, and at present I haveQuote:> While running only linux and a single bash shell it looks like this:
> Mem: 31224K av, 23656K used, 7568K free, 3748K shrd, 6200K buff
> What does the 'used' mean? Why would such a large % of available
> memory be used with little to nothing running?
only 3156K free, allegedly, even though I'm really only running
XEmacs, X and Netscape (each under 15M), a bunch of <1M processes and
a few a little bigger (GNOME processes ~3M, with 2.5M shared).
If you're interested in specific programs, then look at their usage,
not usage over the whole system. A properly written OS will use as
much memory as you've got, if only to cache files and things.
(Obviously, the OS ought to gracefully release such cached memory on