Create a user splunk and group

root@aix01 /root> lsuser -f splunk
splunk:
        id=2500
        pgrp=staff
        groups=staff,splunk
        home=/home/splunk
        shell=/usr/bin/ksh
        login=true
        su=true
        rlogin=true
        daemon=true
        admin=false
        umask=27
        account_locked=false

        fsize=-1
        cpu=-1
        data=2139095040
        stack=65536
        core=0
        rss=1073741824
        nofiles=8192
        core_hard=0