shell 中的单行注释和多行注释

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"
'

来源：https://www.cnblogs.com/dylancao/p/9516237.html