# lslpp -l bos.rte
  Fileset                      Level  State      Description         
  ----------------------------------------------------------------------------
Path: /usr/lib/objrepos
  bos.rte                   7.1.2.15  COMMITTED  Base Operating System Runtime

Path: /etc/objrepos
  bos.rte                   7.1.2.15  COMMITTED  Base Operating System Runtime
# instfix -i | grep ML
    All filesets for 7.1.0.0_AIX_ML were found.
    All filesets for 7100-00_AIX_ML were found.
    All filesets for 7100-01_AIX_ML were found.
    All filesets for 7100-02_AIX_ML were found.

# Version M-11/16/88f
# cont=1
# if [ cont -eq 1 ]
>then
>  echo "It works"
>fi
It works

# ksh93
# print - ${.sh.version}
Version M 93t+ 2009-05-01
# if [ cont -eq 1 ]
>then
>  echo "It works"
>fi
It works

foo="abc"
if [ foo == abc ] ; then
     print - "It works"
fi

typeset -RZ3 foo=1
# typeset -RZ3 foo="01"

print - $foo
if [ foo -eq 1 ] ; then
     print - "It works"
fi