python chmod_使Python脚本可执行chmod755？

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这意味着，某人(用户、组或所有人)有权执行(或读或写)脚本(或一般的文件)。在

权限以不同的方式表示：$ chmod +x file.py # makes it executable by anyone

$ chmod +w file.py # makes it writeabel by anyone

$ chmod +r file.py # makes it readably by anyone

$ chmod u+x file.py # makes it executable for the owner (user) of the file

$ chmod g+x file.py # makes it executable for the group (of the file)

$ chmod o+x file.py # makes it executable for the others (everybody)

您可以用同样的方法删除权限，只需将+替换为-

^{pr2}$

八进制数以不同的方式表达相同的内容。

4是阅读，2是写作，1是执行。在

简单数学：read + execute = 5

read + write + execute = 7

execute + write = 3

…

在一个简短而甜蜜的命令中：# 1st digit: user permissions

# 2nd digit: group permissions

# 3rd digit: ‘other’ permissions

# add the owner all perms.,

# the group and other only write and execution

$ chmod 755 file.py

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