1 [root@LAMP-2~]# cat lower.sh 2 a=(a b c d e f g h i j k l m n o p q r s t u v w x y z) 3 for i in 12345678910 4 do 5 echo -n ${a[$RANDOM % ${#a[*]}]} 6 done 7 echo 8 [root@LAMP-2~]# sh lower.sh 9 seyhouljnu 10 [root@LAMP-2~]#