uname -a
Linux laptop 2.6.15.4 #1 PREEMPT Wed Feb 15 15:10:27 BRST 2006 i686 GNU/Linux

=============
6 apache proccess:
# ps -auxw | grep apache | grep -v grep | wc -l
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
6

MEMINFO
MemTotal:       645252 kB
MemFree:         18052 kB
Buffers:        136900 kB
Cached:         132492 kB
SwapCached:          0 kB
Active:         341736 kB
Inactive:       111124 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       645252 kB
LowFree:         18052 kB
SwapTotal:      498004 kB
SwapFree:       498004 kB
Dirty:             196 kB
Writeback:           0 kB
Mapped:         254072 kB
Slab:           165444 kB
CommitLimit:    820628 kB
Committed_AS:   608068 kB
PageTables:       2176 kB
VmallocTotal:   376824 kB
VmallocUsed:      5044 kB
VmallocChunk:   371268 kB

free -m
             total       used       free     shared    buffers     cached
Mem:           630        612         17          0        133        129
-/+ buffers/cache:        349        280
Swap:          486          0        486

=============
101 apache proccess:

ps -auxw | grep apache | grep -v grep | wc -l
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
101

MemTotal:       645252 kB
MemFree:          7436 kB
Buffers:        134264 kB
Cached:         132320 kB
SwapCached:          0 kB
Active:         347580 kB
Inactive:       112396 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       645252 kB
LowFree:          7436 kB
SwapTotal:      498004 kB
SwapFree:       498004 kB
Dirty:             464 kB
Writeback:           0 kB
Mapped:         264008 kB
Slab:           166440 kB
CommitLimit:    820628 kB
Committed_AS:   792492 kB
PageTables:       4456 kB
VmallocTotal:   376824 kB
VmallocUsed:      5044 kB
VmallocChunk:   371268 kB

free -m
            total       used       free     shared    buffers     cached
Mem:           630        622          7          0        131        129
-/+ buffers/cache:        362        267
Swap:          486          0        486