自动为用户设置DISPLAY变量的脚本段！

把该小段脚本放置在用户主目录.bashrc,只针对RedHat Linux有效；
TTY_str=`tty`
TTY=`echo ${TTY_str##/dev/}`
R_HOST=`w | grep $TTY | awk '{print $3}'`
export DISPLAY=${R_HOST}:0.0

[@more@]

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