cat /etc/profile

morten@localhost:~$ echo $JAVA_HOME

morten@localhost:~$ cat /etc/profile
# /etc/profile: system-wide .profile file for the Bourne shell (sh(1))
# and Bourne compatible shells (bash(1), ksh(1), ash(1), ...).

if [ "`id -u`" -eq 0 ]; then
  PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
else
  PATH="/usr/local/bin:/usr/bin:/bin:/usr/games"
fi

if [ "$PS1" ]; then
  if [ "$BASH" ]; then
    PS1='\u@\h:\w\$ '
  else
    if [ "`id -u`" -eq 0 ]; then
      PS1='# '
    else
      PS1='$ '
    fi
  fi
fi

export PATH



#appended by morten
JAVA_HOME="/usr/lib/java"
export JAVA_HOME
#end_morten



umask 022
morten@localhost:~$ echo $JAVA_HOME

morten@localhost:~$ echo $PATH
/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games
morten@localhost:~$ set JAVA_HOME="/usr/lib/java"  ; export JAVA_HOME
morten@localhost:~$ echo $JAVA_HOME

morten@localhost:~$