1. 单行注释
众所周知,# 比如想要注释:echo “ni”
# echo "ni"
2. 多行注释
法一:
: << !
语句1
语句2
语句3
语句4
!
例如:
linux101:/home/wsj # sh dian ni ni ni ni ni ni linux101:/home/wsj # more dian #!/bin/ksh echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" :<<! echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" !
法二:
: ' 语句1 语句2 语句3 语句4 '
例如:
linux101:/home/wsj # sh dian ni ni ni ni ni ni linux101:/home/wsj # more dian #!/bin/ksh echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" : ' echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" '
法三:
if false; then 语句1 语句2 语句3 语句4 fi linux101:/home/wsj # sh dian ni ni ni ni ni ni linux101:/home/wsj # more dian #!/bin/ksh echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" if false; then echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" echo "ni" fi
法四:
: << 字符 #这里的字符可以是数字或者是字符都可以
语句1
语句2
语句3
语句4
字符
法五:
((0)) & { 语句1 语句2 语句3 }