linux shell demos(1)

echo hello,worldecho UID:$UIDecho HOME:$HOME

v1=xiuyev2=10echo you are $v1,now time is $v2

cmd=`pwd`echo current path = $cmd

if datethen echo okfi

for v in 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 zdo echo Letter:$vdone

for file in ./*do echo $filedone

for ((i=0;i<10;i++))doecho number is $idone

v=100if [ $v -eq 100 ]then echo okfi

echo 1:$1,2:$2