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:
: << !
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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"
'
2014-02-03-06补充:
法三:
if false; then
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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
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语句3
语句4
字符
2014-09-10 教师节快乐,由chaosink哥们提供补充:
法五:
((0)) & {
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}