redhat linux9下安装oracle9i不能显示中文

只显示方格，英文也没有，乱码！下面是环境变量，有什么办法么？


BASH=/bin/bash
BASH_ENV=/root/.bashrc
BASH_VERSINFO=([0]="2" [1]="05b" [2]="0" [3]="1" [4]="release" [5]="i386-redhat-linux-gnu")
BASH_VERSION='2.05b.0(1)-release'
COLORS=/etc/DIR_COLORS.xterm
COLORTERM=gnome-terminal
COLUMNS=143
DIRSTACK=()
DISPLAY=:0.0
EUID=501
GDMSESSION=Default
GNOME_DESKTOP_SESSION_ID=Default
GROUPS=()
GTK_RC_FILES=/etc/gtk/gtkrc:/root/.gtkrc-1.2-gnome2
G_BROKEN_FILENAMES=1
HISTFILE=/home/oracle/.bash_history
HISTFILESIZE=1000
HISTSIZE=1000
HOME=/home/oracle
HOSTNAME=JSZX-LXH
HOSTTYPE=i386
IFS=$' \t\n'
INPUTRC=/etc/inputrc
LAMHELPFILE=/etc/lam/lam-helpfile
LANG=zh_CN.GB18030
LANGUAGE=zh_CN.GB18030:zh_CN.GB2312:zh_CN
LD_ASSUME_KERNEL=2.4.1
LD_LIBRARY_PATH=/opt/ora9/product/9.2/lib:
LESSOPEN='|/usr/bin/lesspipe.sh %s'
LINES=41
LOGNAME=oracle
LS_COLORS='no=00:fi=00:di=00;34:ln=00;36i=40;33:so=00;35:bd=40;33;01:cd=40;33;01r=01;05;37;41:mi=01;05;37;41:ex=00;32:*.cmd=00;32:*.exe=00;32:*.com=00;32:*.btm=00;32:*.bat=00;32:*.sh=00;32:*.csh=00;32:*.tar=00;31:*.tgz=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.zip=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.bz=00;31:*.tz=00;31:*.rpm=00;31:*.cpio=00;31:*.jpg=00;35:*.gif=00;35:*.bmp=00;35:*.xbm=00;35:*.xpm=00;35:*.png=00;35:*.tif=00;35:'
MACHTYPE=i386-redhat-linux-gnu
MAIL=/var/spool/mail/root
MAILCHECK=60
NLS_LANG=zh_CN.GB18030
OLDPWD=/root
OPTERR=1
OPTIND=1
ORACLE_BASE=/opt/ora9
ORACLE_HOME=/opt/ora9/product/9.2
ORACLE_OWNER=oracle
ORACLE_SID=ora9i
ORACLE_TERM=vt100
OSTYPE=linux-gnu
PATH=/opt/ora9/product/9.2/bin:/opt/ora9/product/9.2/bin:/opt/ora9/product/9.2/Apache/Apache/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin
PIPESTATUS=([0]="0")
PPID=4491
PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME%%.*}{PWD/#$HOME/~}\007"'
PS1='[\u@\h \W]\$ '
PS2='> '
PS4='+ '
PVM_ROOT=/usr/share/pvm3
PVM_RSH=/usr/bin/rsh
PWD=/home/oracle
QTDIR=/usr/lib/qt-3.1
SESSION_MANAGER=local/JSZX-LXH:/tmp/.ICE-unix/4347
SHELL=/bin/bash
SHELLOPTS=braceexpand:emacs:hashall:histexpand:history:interactive-comments:monitor
SHLVL=3
SSH_AGENT_PID=4407
SSH_ASKPASS=/usr/libexec/openssh/gnome-ssh-askpass
SSH_AUTH_SOCK=/tmp/ssh-XXhINSYJ/agent.4347
SUPPORTED=zh_CN.GB18030:zh_CN:zh
TERM=xterm
THREADS_FLAG=native
UID=501
USER=oracle
USERNAME=root
WINDOWID=29360392
XAUTHORITY=/root/.Xauthority
XMODIFIERS=@im=Chinput
XPVM_ROOT=/usr/share/pvm3/xpvm
_=clear
i=/etc/profile.d/xpvm.sh　　　　　　

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