Concept Guide

Category Attributes
Kernel
• Uname –a:
– Name
– Node Name
– Release
– Version/Build Type
– Processor Type
– Operating System
Memory
• System Uptime (uptime):
– Time Since Boot
– Active User Sessions
– Load Average
• Advanced Memory Statistics (/proc/
meminfo):
– MemTotal
– MemFree
– MemShared
– Buffers
– Cached
– SwapCached
– Active
– ActiveAnon
– ActiveCache
– Dirty
– Inact_dirty
– Inact_laundry
– Inact_clean
– Inact_target
– HighTotal
– HighFree
– LowTotal
– LowFree
– SwapTotal
– SwapFree
– HugePages_Total
– HugePages_Free
– Hugepagesize
– WriteBack
– Mapped
– Slab
– Commited_AS
– Page Tables
– Vmalloc Total
– Vm alloc Used
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