0 views collected around this technical thread.
This article provides a comprehensive guide to Linux performance monitoring by explaining the usage, options, and output interpretation of the top, free, and vmstat commands, complete with practical examples, field breakdowns, and tips for effective system analysis.
This guide provides a comprehensive walkthrough of the Linux performance monitoring tools top, free, and vmstat, detailing their syntax, options, output interpretation, and practical tips for real‑time system analysis and optimization.
This article explains how the Linux free command reports memory usage, clarifies the roles of buffer cache and page cache, demonstrates which cache memory can be reclaimed, and shows practical tests using tmpfs, shared memory, and mmap with code examples.
This article demystifies the Linux free command, explains the distinction between buffer and page caches, shows how various caches are reclaimed—or not—through practical tests with tmpfs, shared memory, and mmap, and provides actionable tips for accurately interpreting memory usage on RHEL 6 systems.