In our previous chapter we dicuss on the memory usage information. The file under /proc/meminfo show you the memory information used by CentOS Linux in detail.
# cat /proc/meminfo MemTotal: 514440 kB MemFree: 18828 kB Buffers: 48704 kB Cached: 376136 kB SwapCached: 0 kB Active: 121660 kB Inactive: 327352 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 514440 kB LowFree: 18828 kB SwapTotal: 1048568 kB SwapFree: 1048568 kB Dirty: 4 kB Writeback: 0 kB Mapped: 37184 kB Slab: 36136 kB CommitLimit: 1305788 kB Committed_AS: 80800 kB PageTables: 1704 kB VmallocTotal: 499704 kB VmallocUsed: 3560 kB VmallocChunk: 495708 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB |