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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/aoa/ps.rst | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/docs/aoa/ps.rst b/docs/aoa/ps.rst index ec4c4f95..310c8cd5 100644 --- a/docs/aoa/ps.rst +++ b/docs/aoa/ps.rst @@ -108,12 +108,15 @@ Columns display ``VIRT`` Virtual Memory Size The total amount of virtual memory used by the - process. - - It includes all code, data and shared + process. It includes all code, data and shared libraries plus pages that have been swapped out and pages that have been mapped but not used. + Virtual memory is usually much larger than physical + memory, making it possible to run programs for which + the total code plus data size is greater than the amount + of RAM available. + Most of the time, this is not a useful number. ``RES`` Resident Memory Size |