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"
\'