System Monitoring: in Linux 
Monday, January 14, 2008, 04:59 AM - General2
Posted by Administrator
Ah...system Monitoring, it is pretty important...being used to the good old Ctrl+Alt+Del in Windows (or Ctrl+Shift+Esc), I was somewhat clueless stuck in the command prompt in Linux. After some searching, here are some useful commands I found:

Sources:
http://www.redhat.com/docs/manuals/linu ... tools.html
http://www.ss64.com/bash/

free: Displays memory usage data (this can be coupled with watch so that we can see the ongoing usage (watch free displays the data every 2 seconds; time-delay can be controlled by using the -n option; changes can be highlighted using the -d option)
top: Displays data on memory usage, CPU usage, process statistics etc
df: Displays usage stats for all mounted disks
du: Displays estimate of file disk space usage
ps: Displays process status

I have tried to stick to basic tools generally available

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