-*- outline -*-

* How cpu busy?

  $ top

* How many free memory?

  $ free -t
               total       used       free     shared    buffers     cached
  Mem:       1028732      91928     936804          0       5396      34936
  -/+ buffers/cache:      51596     977136
  Swap:      1048568          0    1048568
  Total:     2077300      91928    1985372

or

  $ vmstat
  procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
   r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
   0  0      0 936804   5460  34936    0    0    21     5  363   29  0  0 99  0