AIX Handy Commands

CPU
lsdev -C|grep Process|wc -l

Memory
lsattr -El mem0

Swap
lsps -s

sar
sar -q -f /var/adm/sa/sa19|pg #sa19 means date 19th of the month

Process Management
truss -a -e -f -rall -wall -p mypid # mypid means pid number

More info on truss