Shellselect

select COMPONENT in comp1 comp2 comp3 all none
do
	case $COMPONENT in
 		comp1|comp2|comp3) Compconfig $COMPONET;;
		all) comconf;;
		none) break;;
		*) echo "erro";;
	esac
done

改变提示符 PS3

原文地址:https://www.cnblogs.com/junzhkevin/p/2197092.html