AIX version

# oslevel
5.2.0.0

# instfix -i | grep ML
All filesets for 5.2.0.0_AIX_ML were found.
All filesets for 5200-01_AIX_ML were found.
All filesets for 5200-02_AIX_ML were found.
Not all filesets for 5200-03_AIX_ML were found.
Not all filesets for 5200-04_AIX_ML were found.
Not all filesets for 5200-05_AIX_ML were found.
Not all filesets for 5200-06_AIX_ML were found.
Not all filesets for 5200-07_AIX_ML were found.
Not all filesets for 5200-08_AIX_ML were found.
Not all filesets for 5200-09_AIX_ML were found.

# oslevel -rl 5200-03
Fileset Actual Level Recommended ML
—————————————————————————–
devices.pci.13100560.diag 5.2.0.0 5.2.0.30

# oslevel -rl 5200-04
Fileset Actual Level Recommended ML
—————————————————————————–
devices.msg.en_US.chrp.IBM.HPS.hpsfu 1.1.0.0 1.1.1.0
devices.msg.en_US.chrp.IBM.HPS.rte 1.1.0.0 1.1.1.0
devices.msg.en_US.common.IBM.sni.ml 1.1.0.0 1.1.1.0
devices.msg.en_US.common.IBM.sni.ntbl 1.1.0.0 1.1.1.0
devices.msg.en_US.common.IBM.sni.rte 1.1.0.0 1.1.1.0
devices.pci.13100560.diag 5.2.0.0 5.2.0.30

# oslevel -rl 5200-05
Fileset Actual Level Recommended ML
—————————————————————————–
devices.msg.en_US.chrp.IBM.HPS.hpsfu 1.1.0.0 1.1.2.0
devices.msg.en_US.chrp.IBM.HPS.rte 1.1.0.0 1.1.2.0
devices.msg.en_US.common.IBM.sni.ml 1.1.0.0 1.1.2.0
devices.msg.en_US.common.IBM.sni.ntbl 1.1.0.0 1.1.2.0
devices.msg.en_US.common.IBM.sni.rte 1.1.0.0 1.1.2.0
devices.pci.13100560.diag 5.2.0.0 5.2.0.30

# oslevel -rl 5200-06
Fileset Actual Level Recommended ML
—————————————————————————–
devices.msg.en_US.chrp.IBM.HPS.hpsfu 1.1.0.0 1.1.3.0
devices.msg.en_US.chrp.IBM.HPS.rte 1.1.0.0 1.1.3.0
devices.msg.en_US.common.IBM.sni.ml 1.1.0.0 1.1.3.0
devices.msg.en_US.common.IBM.sni.ntbl 1.1.0.0 1.1.3.0
devices.msg.en_US.common.IBM.sni.rte 1.1.0.0 1.1.3.0
devices.pci.13100560.diag 5.2.0.0 5.2.0.30

# oslevel -rl 5200-07
Fileset Actual Level Recommended ML
—————————————————————————–
devices.msg.en_US.chrp.IBM.HPS.hpsfu 1.1.0.0 1.1.3.0
devices.msg.en_US.chrp.IBM.HPS.rte 1.1.0.0 1.1.3.0
devices.msg.en_US.common.IBM.sni.ml 1.1.0.0 1.1.3.0
devices.msg.en_US.common.IBM.sni.ntbl 1.1.0.0 1.1.3.0
devices.msg.en_US.common.IBM.sni.rte 1.1.0.0 1.1.3.0
devices.pci.13100560.diag 5.2.0.0 5.2.0.30

# oslevel -rl 5200-08
Fileset Actual Level Recommended ML
—————————————————————————–
devices.pci.13100560.diag 5.2.0.0 5.2.0.30

# oslevel -rl 5200-09
Fileset Actual Level Recommended ML
—————————————————————————–
devices.chrp.IBM.HPS.rte 1.1.3.3 1.1.3.8
devices.common.IBM.sni.ml 1.1.3.1 1.1.3.2
devices.common.IBM.sni.rte 1.1.3.3 1.1.3.6
devices.msg.en_US.chrp.IBM.HPS.hpsfu 1.1.0.0 1.1.3.0
devices.msg.en_US.chrp.IBM.HPS.rte 1.1.0.0 1.1.3.0
devices.msg.en_US.common.IBM.sni.ml 1.1.0.0 1.1.3.1
devices.msg.en_US.common.IBM.sni.ntbl 1.1.0.0 1.1.3.1
devices.msg.en_US.common.IBM.sni.rte 1.1.0.0 1.1.3.0
devices.pci.13100560.diag 5.2.0.0 5.2.0.30

# oslevel -rl 5200-10
Error: Recommended Maintenance level 5200-10 is invalid or unknown.

lslpp -l

some outputs:
csm.msg.en_US.core 1.4.0.0 COMMITTED CSM Core Func Msgs – U.S.
English
devices.artic960.diag 5.2.0.95 COMMITTED IBM ARTIC960 Adapter

ngroups_max

RHEL 3:
$ getconf NGROUPS_MAX
32

RHEL 4:
$ getconf NGROUPS_MAX
65536
$ /sbin/sysctl kernel.ngroups_max
kernel.ngroups_max = 65536
$ cat /proc/sys/kernel/ngroups_max
65536

RHEL 5:
$ getconf NGROUPS_MAX
65536
$ /sbin/sysctl kernel.ngroups_max
kernel.ngroups_max = 65536
$ cat /proc/sys/kernel/ngroups_max
65536

Solaris 10:
# getconf NGROUPS_MAX
16

To get rid of the above limit:
/etc/system
set ngroups_max = 32

AIX 5.2.0.0:
# getconf NGROUPS_MAX
64

reference:
http://www.j3e.de/ngroups.html