CPU and Memory usage in Linux

check cpu usage.
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# mpstat -P ALL

check top memory usage
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UNIX95= ps -eo vsz,comm | sed 1d | sort -rn | head -20

UNIX95= ps -ef -o pcpu,pid,ppid,ruser,args | sort -nk1


# ps aux | awk '{if ($5 != 0 ) print $2,$5,$6,$11}' | sort -k2n


SWAP
# free | grep -i swap | tr -d [A-z],\:,\+,\=,\-,\/, | awk '{print"Swap free: "($3)/($1)*100"%"}'