linux中常用脚本和函数分享

SYSTEM=`uname -s`
if [ $SYSTEM = "Linux" ] ; then
echo "Linux"
elif [ $SYSTEM = "FreeBSD" ] ; then
echo "FreeBSD"
elif [ $SYSTEM = "Solaris" ] ; then
echo "Solaris"
else
echo "What?"
fi

#关于while使用的例子
#无条件循环

while : ; do
echo "do something forever here"
sleep 5
done