Oracle Linux 5 and 6: System Memory Utilization
(Doc ID 1514705.1)
Last updated on MAY 08, 2023
Applies to:
Oracle Compute Cloud Service - Version N/A to N/A Linux OS - Version Oracle Linux 5.0 to Oracle Linux 6.9 with Unbreakable Enterprise Kernel [4.1.12] [Release OL5 to OL6U9] Oracle Cloud Infrastructure - Version N/A and later Oracle VM - Version 3.4.6 to 3.4.6 [Release OVM34] Linux x86-64 Linux x86 Linux ARM 64-bit
Purpose
Some Linux users may be confused by how memory utilization is reported by the 'free' command on Oracle Linux 5 and Oracle Linux 6: the memory used by application and the memory reported by 'free' command does not match.
Questions and Answers
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