#!/usr/bin/ksh93

if [ "$1" == "-?" ]
then
  cat << TEXT

memsize returns in Mb the physical memory of the machine

TEXT

exit
fi

# ----------- exe ----------------
v=`lsattr -El sys0 -a realmem |awk '{ print $2}'`
((v=($v/1024)))

printf "%s Mo\n"  $v