Cheatsheet: Difference between revisions

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  /usr        – binaries, documentation, source code, libraries
  /var        – Variable Files
+== ProcFS ==
 == Commands ==
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  netstat -s
+ netstat -anp
+ netstat -ant
 *ps
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 *top
+<pre>
+us - user cpu time (or) % CPU time spent in user space
+sy - system cpu time (or) % CPU time spent in kernel space
+ni - user nice cpu time (or) % CPU time spent on low priority processes
+id - idle cpu time (or) % CPU time spent idle
+wa - io wait cpu time (or) % CPU time spent in wait (on disk)
+hi - hardware irq (or) % CPU time spent servicing/handling hardware interrupts
+si - software irq (or) % CPU time spent servicing/handling software interrupts
+st - steal time % CPU time in involuntary wait by virtual cpu while hypervisor is servicing another processor (or) % CPU time stolen from a virtual machine
+</pre>
 *free