> sirius:~ $ free
>              total       used       free     shared    buffers     cached
> Mem:        515168     495068      20100          0      37104     196644
> -/+ buffers/cache:     261320     253848
> Swap:       996020      34824     961196
> sirius:~ $
>
> While this output really is a tad cryptic, the -/+ line shows what you
> actually are interested in.

thanks, everyone

not quite sure I understand the free output, but,
the web pages certainly render quicker with the additional RAM

-----
 10:46pm  up 2 days, 12:32,  2 users,  load average: 0.00, 0.00, 0.00
108 processes: 107 sleeping, 1 running, 0 zombie, 0 stopped
CPU states:  0.5% user,  0.5% system,  0.0% nice, 98.8% idle
Mem:  1023128K av,  990212K used,   32916K free,       0K shrd,  122904K buff
Swap:  522104K av,   32188K used,  489916K free                  672328K
cached
-----
# free
             total       used       free     shared    buffers     cached
Mem:       1023128     993100      30028          0     122904     672468
-/+ buffers/cache:     197728     825400
Swap:       522104      32188     489916

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