#!bin/bash
PATH=/usr/local/Trolltech/Qt-4.5.3/bin:$PATH
QTDIR=/usr/local/Trolltech/QT-4.5.3
MAINPATH=$QTDIR/man:$MAINPATH
LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH
export PATH QTDIR MAINPATH LD_LIBRARY_PATH
echo " set qt-x11 env. successful "
应该是设置shell终端的环境变量吧,具体怎么设置呢。这个脚本的名字是 set_env.sh